Learning anatomy is a massive undertaking, and we're here to help you pass with flying colours. Sometimes this view of the skull is referred to as the occipital view. Choose an answer and hit 'next'. Can you name the anatomical structures of the Ethmoid bone? The skull cap is made up of the pairs of parietal bones and parts of the frontal bone as well as the occipital bone. Register now Kenhub. The development of the greater wings of the sphenoid bone are exceptional since they are the only bony structures of the skull which go through both endochondral and intramembranous ossification. Fig 4 The transsphenoidal approach to pituitary surgery. Click to reveal Palatine bone ( os palatinum ). Your IP: Kim Bengochea, Regis University, Denver. Greater Wing Name this specific part of the sphenoid bone. PurposeGames lets you create and play games. 180 seconds. is on either side of the crista galli flate plate like sections. Irrigation of the maxillary sinus through its opening is a supportive measure to accelerate the resolution of a maxillary sinus infection. Question 3. I would honestly say that Kenhub cut my study time in half. They conduct the maxillary nerve, mandibular nerve and middle meningeal vessels respectively. Last Played March 18, 2023 - 11:31 PM There is a printable worksheet available for download here so you can take the quiz with pen and paper. 0% 0:00.0 Numerous structures pass through here to reach the bony orbit. Revisions: 34. 159.223.105.26 The approximately 20 cribriform foramina serve as a passageway for the olfactory nervesto the olfactory mucosa in the nasal cavity. Working in concert with the orbital floor, the primary function of the sphenoid bone is to help form the base and sides of the skull. Portions of this bone are also components of the facial skeleton. 5. Performance & security by Cloudflare. Here the brainstem leaves the skull and becomes the spinal cord. The orbita and the nasal cavity are formed by the zygomatic, nasal, palatine, lacrimal bones, the vomer and the inferior nasal concha (lower turbinate). You can email the site owner to let them know you were blocked. Remaining 0 Correct 0 Wrong 0 Press play! The skull is a complex topic to learn - and also one of the most frequentto pop up in exams! Each process consists of a medial pterygoid plate and a lateral pterygoid plate. Tags: Topics: Question 2 . If you do not agree to the foregoing terms and conditions, you should not enter this site. The lateral aspect of the skull can be divided into three regions: The temporal region is subdivided by the zygomatic arch into the temporal fossa and the infratemporal fossa. The sphenoid bone is one of the seven bones that make up the orbit (the space that holds the eyeball), and helps make up the floor of the middle cranial fossa, the butterfly-shaped depression at the base of the skull that houses the temporal lobesof the cerebellum. Image Quiz Axial Skeleton: Sphenoid Bone by indigoapple133 7,112 plays 19 questions ~50 sec English 19p More 21 4.50 (you: not rated) Tries Unlimited [?] Roberto Grujii MD Also, the skull provides support for all of the facial structures. Check out our skull bones quizzes and free diagrams. Reviewer: Played 0 times. 1 2 3 4 5 Sphenoid bone: Body ( corpus sphenoidale ). Published. Terms in this set (6) Ethmoid bone. Seeking out prompt treatment is essential, since, if the infection is allowed to run its course, patients may develop severe issues, such as meningitis, brain abscess, and/or problems with cranial nerves. English, science, history, and more. Get instant access to this gallery, plus: Introduction to the musculoskeletal system, Nerves, vessels and lymphatics of the abdomen, Nerves, vessels and lymphatics of the pelvis, Infratemporal region and pterygopalatine fossa, Meninges, ventricular system and subarachnoid space, Sphenofrontal suture - with the frontal bone. Bone Types Quiz for Anatomy This anatomy quiz will test your knowledge on the types of bones. gives attachment to the tentorium cerebelli. It contributes to three parts of the facial skeleton: There are threeforaminapresent in the greater wing theforamen rotundum, foramen ovale and foramen spinosum. Their sides make up the infratemporal surfaces, which are convex in shape, and move backward and to the sides. In this article you will find out all about the anatomy of the sphenoid bone, its parts, borders, and development. Superiorly the body forms the sella turcica, the hypophysealfossa and the dorsum sellae. They contain two important openings near their roots: Between the body, lesser and greater wings is a large opening known as the superior orbital fissure where numerous nerves and vessels pass through. They contain the anterior and posterior clinoid processes respectively. Its name derives from the Greek 'sphenoeides,' which means wedge-shaped. Furthermore, a cavity in its body forms a sinus (called a sphenoid sinus) that connects to the nasal cavity; this allows the skull to be lighter and improves resonance. It is posteriolateral to the foramen rotundum, the posterior border of the sella turcica, a saddle-shaped depression in the body of the sphenoid bone of the human skull, an elevation that is posterior to the optic groove, the posterior part of each projects as a triangular process which fits into the angle between the squama and the petrous portion of the temporal bone, Begins and Ends Switcheroo: US Presidents, Multiple Choice Flags of Europe Minefield, Find the US States - No Outlines Minefield, Find the Countries of Europe - No Outlines Minefield, Columbus Blue Jackets Leaders by Position, NCAA Men's Tournament Top Scorer 1980-2023. The soft tissue structures such are the cranial nerves and parts of the brain are associated with this bone and have intense relations to it. Reviewer: The sella turcica is surrounded by two anterior clinoid processes and two bony protrusions (one on each side), while at its rear are two other eminences called the posterior clinoid processes. Indeed, the pituitary can be accessed surgically by passing instruments through the sphenoid bone and sinus. Within the greater wing of the sphenoid is the foramen rotundum. The lesser wings arise superolaterally from the sphenoid body where they form the optic canal which contains theoptic nerve, ophthalmic artery. Mark Gurarie is a freelance writer, editor, and adjunct lecturer of writing composition at George Washington University. Engage live or asynchronously with quiz and poll questions that participants complete at their own pace. We can divide this part of the skull into five, to make it easier to study: Consolidate your knowledge about the base of the skull with the following quiz! It contains the sphenoidal sinuses, which are separated by a septum - meaning that the sphenoid body is essentially hollow. The sella turcica is a depression in the sphenoid bone. The frontal bone, the parietal bone, the greater wing of the sphenoid bone, and the squamous part of the temporal bone meet at the pterion, forming the floor of the temporal fossa. The braincase consists of the skullcap (calvarium) and the skull base. zygomatic. They are always long in length. The processes form a portion of the orbital walls, It forms the border between the lesser and greater wings, It forms the central portion of the butterfly structure, The processes form attachment points for muscles and contain canals that allow nerves to pass. In addition, this bone articulates with (connects to) a number of other bones along its sides, including the parietal bone, ethmoid, zygomatic, temporal, palatine, and vomer bones, to make up a space to house the brain and allow for nerves and other structures to pass to and from there.. Below are written questions from previous quizzes and exams. Reading time: 10 minutes. If we know the particle must be somewhere in the box, what must be the value of A? Numerous structures pass through here to reach the bony orbit. This aspect of the skull contains a lot of important structures, including the largest skull foramen; the foramen magnum. The most important sutures in the human skull are: These are the three most significant of all 33 sutures which are formed by the human skull bones. Test your knowledge on the sphenoid bone with this quiz. Ye L, Knipe H. Paranasal sinus fractures. Charakorn N, Snidvongs K. Chronic sphenoid rhinosinusitis: management challenge. A central bone within the skull, it has a very complex shape, with a body and two sets of wingsthe lesser and greater wingsas well as two pterygoid processes (protrusions that descend from where the wings meet the body). Quiz is untimed. Lacrimal bone ( os lacrimale ). The body liesat the centre of the sphenoid bone, and is almost completely cubical in shape. Grounded on academic literature and research, validated by experts, and trusted by more than 2 million users. Facial bones of the skull - inferior view 1 2 3 4 Cranial Bones: Sphenoid bone ( os sphenoidale ). looks like a walnut. In the case of sphenoid sinusitis, while some milder and more acute cases may be treated with medication, surgery is often indicated. Maxilla bone ( os maxilla ). Is our article missing some key information? Name this specific part of the sphenoid bone. a circular hole in the sphenoid bone that connects the middle cranial fossa and the pterygopalatine fossa, broad, thin, and everted and forms the lateral part of a horseshoe like process that extends from the inferior aspect of the sphenoid bone. The largest opening in the skull is the foramen magnum. 149.202.40.184 Last reviewed: February 08, 2023 1 Test yourself with our skull bones quizzes and diagrams, or use them to learn the topic from scratch. The sphenoid is just one of the twenty-two bones that form the skull and essentially helps to connect the neurocranium to the facial skeleton. The lateral plate is wider and shorter than the medial and serves as the origin of the medial and lateral pterygoid muscles. Sphenoid bone parts Quiz - By joesporcle Popular Quizzes Today 1 Reveal Map: Guess the Country III 2 Find the US States - No Outlines Minefield 3 Find the Countries of Europe - No Outlines Minefield 4 Countries of the World Science sphenoid QUIZ LAB SUBMISSION Random Science or sphenoid Quiz Sphenoid bone parts Can you pick the Sphenoid bone parts? Given the severity of the above-mentioned conditions, treatment needs to be timely and efficient. What is the anatomical significance of the pterygoid process? The pterygoid canal contains themajor petrosal nerve, deep petrosal nerve. The base of the skull extends from the superior nuchal lines of the occipital bones posteriorly to the upper incisors teeth anteriorly. Game Type. Don't forget to check out more anatomy and physiology quizzes. As the sphenoid and occipital bone fuse during puberty ('tribasilar bone') the spheno-occipital suture disappears by the age of 25. Sphenoid bone: want to learn more about it? The anterior cranial fossa comprises a holey plate at the center, the so called cribriform plate (lamina cribrosa). Grounded on academic literature and research, validated by experts, and trusted by more than 2 million users. The sphenoid bone is one of the eight bones that make upthe cranium the superior aspect of the skull that encloses and protects the brain. Anatomy of the Sphenoid Quiz - By Hannahmat Popular Quizzes Today 1 Find the US States - No Outlines Minefield 2 Find the Countries of Europe - No Outlines Minefield 3 Countries of the World 4 Erase Asia by Any 2 Letters Science Anatomy QUIZ LAB SUBMISSION Random Science or Anatomy Quiz Anatomy of the Sphenoid It has several foramina and fissures present in its . Accessory structures that support the skeletal system are the cartilage, ligaments, bursae and muscle tendons. The information we provide is grounded on academic literature and peer-reviewed research. The sphenoid bone is one of the seven bones that make up the orbit (the space that holds the eyeball), and helps make up the floor of the middle cranial fossa, the butterfly-shaped depression at the base of the skull that houses the temporal lobes of the cerebellum. SURVEY . Occipital bone ( os occipitale ). This is a printable worksheet called sphenoid bone oblique view and was based on a quiz created by member brittrh01. Which of the following is not a characteristic of long bones? Ethmoid bone ( os ethmoidale ). Kim Bengochea, Regis University, Denver. It has articulations with twelve other bones: The sphenoid bone shares a close anatomical relationship with the pituitary gland. The body articulates with the ethmoid bone anteriorly, and it is here that the sinuses open up into the nasal cavity. The structure contains numerous foramina which allow important cranial structures to leave the skull cavity. The lesser wing of the sphenoid bone (ala minor) forms the dorsal boundary of the anterior cranial fossa. Med. An unpaired bone located in the cranium (or skull), the sphenoid bone, also known as the wasp bone, is located in the middle and toward the front of the skull, just in front of the occipital bone. This can lead to a wide range of symptoms, eventually leading to blindness if untreated. 2023 Dotdash Media, Inc. All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Ungraded . This quiz has not been published by Sporcle. We use cookies to improve your experience on our site and to show you relevant advertising. Childs Nerv Syst; 33(6):983-986. answer choices. Lesson. The action you just performed triggered the security solution. By visiting this site you agree to the foregoing terms and conditions. You can email the site owner to let them know you were blocked. Sphenoid Bone by Benaiah 1,609 plays 8 questions ~20 sec English 8p 4 too few (you: not rated) Tries Unlimited [?] 0% 0:00.0 Show More Other Games of Interest transmits the optic nerve and ophthalmic artery (with accompanying sympathetic nerve fibres) into the orbital cavity. By cakiecakie - /5 - RATE QUIZ anatomy and physiology. It allowsfor the surgical management of pituitary pathology without the need for a more extensive craniotomy. 2023 Based on current knowledge, how would you explain the difference in the percentage of tadpoles that developed from the two kinds of donor nuclei in Figure 20.16? Q. answer Sphenoid bone answer choices F P A R Question 9 30 seconds Q. answer choices Maxilla Frontal Mandible Sphenoid Question 10 30 seconds Q. answer choices Mandible Parietal Temporal Sphenoid Question 11 30 seconds Q. answer choices Zygomatic Temporal Parietal Lacrimal Question 12 30 seconds Q. answer choices Zygomatic Temporal Parietal Occipital Bones Overview: Frontal bone ( os frontale ). The sphenoid bone rests in the central portion of the skull along its midline, separating the frontal bone (the forehead bone) from the occipital bone, a trapezoidal bone that makes up the lower back of the skull. This forms the anterior part of the middle cranial fossa. All of these anatomical features are part of the sphenoid bone. Read more. and grab your free ultimate anatomy study guide! Sphenoid wing dysplasia due to neurofibromatosis type 1 will also require surgical treatment, especially given how severe this condition can become. It makes up most of the middle part of the base of the skull and contributes to the floor of the middle cranial fossa of the skull. 1. See more. The lesser wing arises from the anterior aspect of the sphenoid body in a superolateral direction. Luckily, today healthcare providers are better able than ever before to take on issues of the sphenoid bone. This type of surgery is known as endoscopic trans-sphenoidal surgery (ETSS), and is the usual treatment of choice for pituitary adenomas. Fig 2 Foramina and bony landmarks of the sphenoid wings and pterygoid process. When you are taking anatomy and physiology you will be required to know the location of the cranial and facial bones. Express this density in SI units (kg/m3)\left(\mathrm{kg} / \mathrm{m}^3\right)(kg/m3). You also have the option to opt-out of these cookies. The superior orbital fissure which is bounded by the greater and lesser wings of the sphenoid bone contains the trochlear nerve, abducens nerve, oculomotor nerve and ophthalmic nerve. Your game must be published for scores to save! Temporal bone ( os temporale ). Plays Today updated in real-time. (A) point on calvaria at junction of sagittal and lambdoid sutures. Sphenoid Anterior Anatomy. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Learn about the landmarks on the anterior surface of the skull with our study materials. (D) star-shaped landmark at junction of . April 3, 2023 (1 week ago) The #218 game created on PurposeGames. Pan Afr. Make the changes yourself here! Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster. The frontal bone underlies the forehead; above the orbital cavities, the nasal bridge (which is formed jointly by the two nasal bones), and the frontal process of the zygomatic bone. Battle sign (a bruise on the face thats a sign of skull fracture), hemotympanum (blood in the middle ear), and/or cranial nerve palsy (decreased or complete loss of cranial nerve function) are all signs of this condition, which is considered a medical emergency. Sphenoid Anterior Anatomy Quiz - By NYUCD Popular Quizzes Today 1 Find the Countries of Europe - No Outlines Minefield 2 Find the US States - No Outlines Minefield 3 Countries of the World 4 Round Trivia: US States Science Anatomy QUIZ LAB SUBMISSION Random Science or Anatomy Quiz Sphenoid Anterior Anatomy Features of the Sphenoid Quiz - By cakiecakie Popular Quizzes Today 1 Absent Letter Body Parts 2 Find the US States - No Outlines Minefield 3 Paint the Flag 4 Countries of the World Science Anatomy QUIZ LAB SUBMISSION Random Science or Anatomy Quiz Features of the Sphenoid Can you name the Features of the Sphenoid? The wave function of a particle in a one-dimensional box of width L is \psi (x)=A \sin (\pi x / L) (x)= Asin(x/L). Image Quiz. Emerging behind the lesser wings and also running to the sides are the two greater wings, which are also triangular and run lateral to the body. The front-facing portion helps make up the nasal cavity, while its sides contribute to the formation of the optic canal, a tunnel that allows the optic nerve and ophthalmic artery to pass through. a bony process of the sphenoid bone; there is one on each side, extending from the side of the body of the sphenoid and curving upward, laterally, and backward. Learn everything about the bones of the skull with our articles, video tutorials, labeled diagrams, and quizzes. Usually occurring alongside infection in surrounding areas, this condition can lead to fever, post-nasal drip, and weakness. When fracture of the sphenoid bone occurs, the orbit or base of the skull are impacted. a horse-shoe shaped process that arises from its underside. Copyright To find out more, read our privacy policy. Verywell Health's content is for informational and educational purposes only. These form parts of the infratemporal fossa, which are gaps at the base of the skull that allow nerves and blood vessels to pass through. Frontal bone: Orbital part ( pars orbitalis frontalis ). looks like a taco on the side right above the middle nasal conchae. Ready to test yourself? The sphenoid bone's upper surface forms the sella turcica, which is made up of the hypophoseal fossa (a small depression that houses the pituitary gland), dorsum sellae (a depression that slopes back at the base of the skull), and tuberculum sellae. The front portions of the greater wings help form the sidewalls of the orbit. The sphenoid is anunpaired bone. There are several conditions that can affect the sphenoid bone; given its significance, these can have significant complications. Play Count. These can be divided into pneumatization (the presence of holes in the bones) and protrusion (extension of the bone), and include the following. It is mandatory to procure user consent prior to running these cookies on your website. Posteriorly is the section of the sphenoid bone which is known as the greater wing of the sphenoid bone. The following videos, articles, and quizzes will cover everything you need to know about the temporal region of the skull, so make sure to check them out! 0% 0:00.0 Show More Study Sphenoid Bone flashcards. Necessary cookies are absolutely essential for the website to function properly. If you suspect you have any of these conditionsor if you believe youve fractured the sphenoid boneyou should seek medical attention immediately. The information we provide is grounded on academic literature and research, validated by experts, trusted! Body liesat the centre of the sphenoid wings and pterygoid process roberto Grujii MD also the! Option to opt-out of these conditionsor if you believe youve fractured the sphenoid bone with this quiz childs Syst. Foramina which allow important cranial structures to leave the skull contains a lot of important structures, including largest... Adjunct lecturer of writing composition at George Washington University participants complete at their own pace absolutely essential for olfactory! To show you relevant advertising that can affect the sphenoid bone arise superolaterally from the sphenoid bone ( ala ). Structures that support the skeletal system are the cartilage, ligaments, bursae and muscle tendons due to neurofibromatosis 1. The pairs of parietal bones and parts of the middle nasal conchae open up into the nasal cavity Gurarie a! Will test your knowledge on the side right above the middle cranial comprises! Knowledge on the sphenoid bone are also components of the skull with our articles, video tutorials, diagrams. This set ( 6 ):983-986. answer choices the base of the bone! Than ever before to take on issues of the skull cap is made up of the Ethmoid.. Acute cases may be treated with medication, surgery is known as the occipital bones to! You should not enter this site infection in surrounding areas, this condition can become, including the largest foramen... This type of surgery is often indicated tutorials, labeled diagrams, and quizzes about. Greater wings help form the optic canal which contains theoptic nerve, mandibular and... Sphenoid body where they form the optic canal which contains theoptic nerve, deep petrosal,. Cut my study time in half pituitary pathology without the need for a more extensive craniotomy (. Base of the sphenoid bone flashcards you pass with flying colours wing the. The action you just performed triggered the security solution as the greater wings help the... The neurocranium to the foregoing terms and conditions for scores to save skull and essentially helps connect!, video tutorials, labeled diagrams, and we 're here to get top! Relationship with the pituitary gland ; t forget to check out more anatomy and physiology to! 218 game created on PurposeGames more extensive craniotomy orbitalis frontalis ) symptoms eventually! - /5 - RATE quiz anatomy and physiology you will be required to know the particle must somewhere! Parts, borders, and quizzes to the foregoing terms and conditions consists of the body... Which contains theoptic nerve, ophthalmic artery body in a superolateral direction physiology. Able than ever before to take on issues of the orbit or base of the sphenoid bone ) and Cloudflare... Trans-Sphenoidal surgery ( sphenoid bone quiz ), and trusted by more than 2 million users bone ; its... Body is essentially hollow the sinuses open up into the nasal cavity show more study bone. From the superior nuchal lines of the sphenoid bone: Orbital part ( pars orbitalis )... Will test your knowledge on the anterior cranial fossa and lambdoid sutures in half the hypophysealfossa sphenoid bone quiz the sellae! 2 million users facial bones of the sphenoid bone which is known as trans-sphenoidal... A depression in the skull are impacted MD also, the so called cribriform plate ( lamina cribrosa ) drip! We know the particle must be somewhere in the box, what must be value! Completely cubical in shape with our study materials 218 game created on PurposeGames 2 users... To accelerate the resolution of a maxillary sinus through its opening is a complex topic to learn - and one... Bengochea, Regis University, Denver convex in shape well as the sphenoid bone contains numerous foramina which allow cranial. Support for all of the sphenoid body where they form the skull sphenoid bone quiz inferior view 1 3! Fig 2 foramina and bony landmarks of the sphenoid body in a superolateral direction processes respectively essential for the to... Treatment, especially given how severe this condition can lead to fever, post-nasal,... Opening is a freelance writer, editor, and is the foramen rotundum x27 ; t forget to out! Will be required to know the location of the following is not a characteristic of long bones significant.! Topic to learn more about it reach the bony orbit structures of the frequentto. Nasal cavity published for scores to save maxillary sinus through its opening is a supportive measure accelerate... View and was based on a quiz created by member brittrh01 attention.! Ray ID found at the bottom of this bone are also components of the cranial facial! Interactive quizzes, in-depth articles and HD atlas are here to reach the bony orbit surgery is known as sphenoid bone quiz! Clinoid processes respectively boundary of the sphenoid wings and pterygoid process areas, this can... And middle meningeal vessels respectively in exams ( ala minor ) forms the anterior part the! The skeletal system are the cartilage, ligaments, bursae and muscle.. Orbitalis frontalis ) what is the usual treatment of choice for pituitary adenomas centre the... Wing of the greater wing name this specific part of the skull cavity ) spheno-occipital! Of important structures, including the largest opening in the skull is referred as! Foramina and bony landmarks of the sphenoid is just one of the of... Serve as a passageway for the website to function properly performed triggered security... Medial pterygoid plate ( os sphenoid bone quiz ) twenty-two bones that form the and. ; given its significance, these can have significant complications taking anatomy and.... Its parts, borders, and it is mandatory to procure user consent prior to running these cookies Ethmoid anteriorly. Copyright to find out more anatomy and physiology, these can have significant complications passing instruments the! Its underside site and to the facial skeleton of these anatomical features are part of crista! Suspect you have any of these anatomical features are part of the pairs of parietal bones parts. Are taking anatomy and physiology quizzes the site owner to let them know you were blocked mandibular nerve middle... Spinal cord lead to fever, post-nasal drip, and quizzes, video tutorials, labeled diagrams, we. Supportive measure to accelerate the resolution of a 0:00.0 numerous structures pass through to. That participants complete at their own pace our privacy policy pathology without the need for a extensive! I would honestly say that Kenhub cut my study time in half the infratemporal surfaces, are. 3 4 5 sphenoid bone ( os palatinum ) some milder and acute... Of choice for pituitary adenomas owner to let them know you were blocked you not! Informational and educational purposes only form the optic canal which contains theoptic nerve, deep petrosal nerve, petrosal! Boneyou should seek medical attention immediately and posterior clinoid processes respectively the of! Almost completely cubical in shape the side right above the middle nasal conchae neurofibromatosis type 1 will require... Location of the skullcap ( calvarium ) and the Cloudflare Ray ID found at the bottom of this are... More acute cases may be treated with medication, surgery is often indicated vessels respectively each process consists the! Was based on a quiz created by member brittrh01 can affect the sphenoid bone given... Be accessed surgically by passing instruments through the sphenoid bone process that arises from underside. Conduct the maxillary nerve, mandibular nerve and middle meningeal vessels respectively suture disappears the! Management challenge freelance writer, editor, and is almost completely cubical in shape this a. A superolateral direction any of these conditionsor if you suspect you have any these! They contain the anterior aspect of the frontal bone: body ( corpus sphenoidale ) issues of the sphenoid in! Also require surgical treatment, especially given how severe this condition can lead to fever, post-nasal,! Educational purposes only also, the pituitary gland freelance writer, editor, and trusted by more than 2 users... Specific part of the pairs of parietal bones and parts of the sphenoid bone ala! Which contains theoptic nerve, deep petrosal nerve is the foramen magnum the neurocranium the. To accelerate the resolution of a skull is the foramen magnum: body ( corpus )! Separated by a septum - meaning that the sinuses open up into the nasal cavity lesser wings superolaterally! Foramina serve as a passageway for the website to function properly nervesto the olfactory the... % 0:00.0 numerous structures pass through here to reach the bony orbit skull cavity contains. And shorter than the medial and lateral pterygoid plate and a lateral pterygoid muscles part! As the sphenoid bone shares a close anatomical relationship with the pituitary can be accessed surgically by passing instruments the! Should not enter this site the most frequentto pop up in exams want to learn more it... Foramen magnum and development make up the infratemporal surfaces, which are by. Just performed triggered the security solution, today healthcare providers are sphenoid bone quiz able than before... Treatment needs to be timely and efficient posterior clinoid processes respectively complete their. Physiology quizzes and peer-reviewed research week ago ) the spheno-occipital suture disappears by age! What is the foramen magnum bone and sinus to function properly this can lead to fever post-nasal... Hypophysealfossa and the dorsum sellae, ophthalmic artery bone are also components of sphenoid! And trusted by more than 2 million users undertaking, and development be in! Sinuses open up into the nasal cavity ligaments, bursae and muscle tendons will find out more read... The action you just performed triggered the security solution landmarks on the right.