Your game must be published for scores to save! This quiz has not been published by Sporcle. 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. Lesson. Rising from the front of the body of the sphenoid bone and moving off to the sides, the two paired lesser wings are triangular in shape. The lateral plate is wider and shorter than the medial and serves as the origin of the medial and lateral pterygoid muscles. Each wing contains three openingsthe foramen rotundum, foramen ovale, and foramen spinosumwhich allow important nerves and vessels to pass through. The palatovaginal (or pharyngeal) canalcontains the pharyngeal nerve. StatPearls. If you do not agree to the foregoing terms and conditions, you should not enter this site. 0% 0:00.0 180 seconds. BETA. Create your account to access this entire worksheet, A Premium account gives you access to all lesson, practice exams, quizzes & worksheets. 0% 0:00.0 Show More Other Games of Interest I would honestly say that Kenhub cut my study time in half. Posteriorly is the section of the sphenoid bone which is known as the greater wing of the sphenoid bone. Last reviewed: February 08, 2023 To find out more, read our privacy policy. Anatomy of the Human Heart - Internal Structures, Plant Cell Organelles Labeling Interactive. The skull cap is made up of the pairs of parietal bones and parts of the frontal bone as well as the occipital bone. * a. Scapula b. Sternum c. Mandible d. Frontal bone 2. * a. Upper jaw; holds the upper teeth; forms portions of the orbital, nasal and oral cavities. An aluminum alloy used in the construction of aircraft wings has a density of 2.70g/cm32.70 \mathrm{~g} / \mathrm{cm}^32.70g/cm3. There are four main parts to the sphenoid bone including: The body is thecentrally positioned portion. Top Contributed Quizzes in Science. Which portion of the sphenoid bone houses the pituitary gland? Its central position within this part of the body makes it essential for providing rigiditythereby protecting brain and nerve structureswhile its rear parts are also attachment sites for muscles involved with chewing and talking. cribriform plate of the ethmoid bon. Charakorn N, Snidvongs K. Chronic sphenoid rhinosinusitis: management challenge. The skull base is the inferior portionof the neurocranium. Read more. Kim Bengochea, Regis University, Denver. The frontal bone is found superiorly while the mandible lies inferiorly, giving the skull an ovoid shape when looked at anteriorly. In this article, we will review the bones of the skull from an orbital view. It is a single bone in the midline of the cranial cavity situated posterior to the frontal bone but anterior to the occipital. The sphenoid bone is one of the most complex bones of the human body. Plays Today updated in real-time. If you suspect you have any of these conditionsor if you believe youve fractured the sphenoid boneyou should seek medical attention immediately. Anatomy of the sphenoid bone Quiz - By Elektra Popular Quizzes Today 1 Find the US States - No Outlines Minefield 2 Countries of the World 3 Name Just One - 10 to 1: History 4 Kenyan Borders Minefield Science Numbers QUIZ LAB SUBMISSION Random Science or Numbers Quiz Anatomy of the sphenoid bone Can you name the Anatomy of the sphenoid bone? 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. Copyright 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. Revisions: 34. Published. The superior surface of the body of the sphenoid bone is bounded behind by a ridge, which forms the anterior border of a narrow, transverse groove, known as the? Browse Anatomy. The skull base comprises parts of the frontal, ethmoid, sphenoid, occipital and temporal bones. 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. Irrigation of the maxillary sinus through its opening is a supportive measure to accelerate the resolution of a maxillary sinus infection. 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.. Study Sphenoid Bone flashcards. You can email the site owner to let them know you were blocked. Childs Nerv Syst; 33(6):983-986. gives attachment to the tentorium cerebelli. All rights reserved. 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. Q. two bones, side-by-side that make up the bridge of the nose; It has articulations with twelve other bones: Unpaired bones - Occipital, vomer, ethmoid and frontal bones. Reading time: 6 minutes. It has several foramina and fissures present in its . At the inferior tip of the medial pterygoid plate is the small hook-shaped process, the pterygoid hamulus. 2023 The sphenoidal sinuses are located in the sphenoid body behind the nasal cavity and divided by a septum. Inferiorly, the mandible and the alveolar processes of the maxilla form the lower part of the anterior skull. transmits the optic nerve and ophthalmic artery (with accompanying sympathetic nerve fibres) into the orbital cavity. Take a quick interactive quiz on the concepts in Sphenoid Bone: Anatomy, Function & Location | What is the Sphenoid Bone? The maxillary nerve, mandibular nerve, and middle meningeal vessels, respectively, pass through these openings. In the center of the middle cranial fossa it forms the pituitary fossa in which the pituitary gland sits. alternatives . It consists of a body, pairedgreater wings and lesser wings, and two pterygoid processes. Today's Top Quizzes in Anatomy. It has a base, an apex and three surfaces: anterior, posterior and inferior. Register now Dimitrios Mytilinaios MD, PhD Performance & security by Cloudflare. Quiz plays in practice mode will not be counted towards challenge completion or badge progress. This website uses cookies to improve your experience while you navigate through the website. 60 seconds . Learn about the landmarks on the anterior surface of the skull with our study materials. It contains the sphenoidal sinuses, which are separated by a septum meaning that the sphenoid body is essentially hollow. The sphenoid bone has a unique shape and is comprised of which anatomical features? April 3, 2023 (1 week ago) The #218 game created on PurposeGames. The sphenoid bone is said to be 'butterfly-shaped'. Disorders or problems of the sphenoid bone can lead to a number of issues, including sphenoid sinusitis (an infection of the sphenoid sinuses), fractures, or sphenoid wing dysplasiaa malformation or deficiency due to a condition called neurofibromatosis type 1. The anterior cranial fossa comprises a holey plate at the center, the so called cribriform plate (lamina cribrosa). (C) junction of the greater wing of the sphenoid, squamous temporal, frontal, and parietal bones. Mr. Sanchez has just severed the distal tip of the fourth digit on his upper . Med. Their lateral surfaces form the infratemporal surfaces. 2023 The largest opening in the skull is the foramen magnum. These cookies will be stored in your browser only with your consent. Numerous structures pass through here to reach the bony orbit. Ethmoid bone ( os ethmoidale ). There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Zygomatic bone ( os zygomaticum ). They are always long in length. copyright 2003-2023 Study.com. This can lead to a wide range of symptoms, eventually leading to blindness if untreated. Sphenoid Bone by csl2694 30,436 plays 10 questions ~30 sec English 10p 48 4.50 (you: not rated) Tries Unlimited [?] 0% 0:00.0 Show More Denne online quiz hedder Sphenoid, Temporal, and Ethmoid Bones: Facial Bone. The middle cranial fossa lies slightly deeper than the anterior cranial fossa. Optic Foramen Name this specific part of the sphenoid bone. Cloudflare Ray ID: 7b9d41545a6e37ef All rights reserved. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Last Played December 1, 2022 - 09:11 PM From the quiz author A game I made to study for my BIO class. Your IP: Sphenoid definition, being in the shape of a wedge; wedge-shaped. The sphenoid is anunpaired bone. 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. These can be divided into pneumatization (the presence of holes in the bones) and protrusion (extension of the bone), and include the following. 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. Question 3. Sphenoid bone primarily consists of a centrally positioned body, which surrounds and protects the pituitary gland, and two sets of lateral, wing-like extensions called the greater and lesser wings. 1 / 13. Enrolling in a course lets you earn progress by passing quizzes and exams. The information we provide is grounded on academic literature and peer-reviewed research. Neil S. Norton, Frank H. Netter: Netters Head and Neck Anatomy for Dentistry, 2nd edition, Elsevier Saunders, p. 34, 49, 50, 55. PurposeGames lets you create and play games. looks like a rhino horn on the ethmoid bone. Last reviewed: March 14, 2023 Test yourself with our skull bones quizzes and diagrams, or use them to learn the topic from scratch. Learning anatomy is a massive undertaking, and we're here to help you pass with flying colours. Bones Overview: Frontal bone ( os frontale ). Reading time: 10 minutes. The sphenoid bone (wasp bone) is part of the base of the skull. Learning anatomy is a massive undertaking, and we're here to help you pass with flying colours. Palatine bone ( os palatinum ). There is a slit-like gap between the lesser and greater wings of the sphenoid the superior orbital fissure. Quizzes; Events; Quiz Creation; Community; Videos; SporcleCon; Remove Ads . Lesser wing ( ala minor sphenoidale ). 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. Make the changes yourself here! is on either side of the crista galli flate plate like sections. There is a printable worksheet available for download here so you can take the quiz with pen and paper. 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! In the case of fractures of the sphenoid bone, much depends on the severity of the case. 1 / 13. sphenoid sinuses bone. Which of the following is not a flat bone? 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. Notably, too, the foramina (gaps) and the fissures of the sphenoid bone allow passage of important nerves and vessels in and out of the skull. Luckily, today healthcare providers are better able than ever before to take on issues of the sphenoid bone. (B) point on calvaria at junction of sagittal and coronal sutures. Learn everything about the bones of the skull with our articles, video tutorials, labeled diagrams, and quizzes. SURVEY . Thank you, {{form.email}}, for signing up. Click the card to flip . These practice questions will . Ungraded . 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. While certain kinds of sinus fracture can be handled more conservatively (essentially, prescribing medications to reduce pain and inflammation and ensure healing occurs properly), sphenoid fractures will typically require surgery to repair. Fig 3 Bony landmarks of the sphenoid body. and grab your free ultimate anatomy study guide! It is composed of 206 bones that connect to each other via joints. This website is using a security service to protect itself from online attacks. Its name derives from the Greek 'sphenoeides,' which means wedge-shaped. The structure contains numerous foramina which allow important cranial structures to leave the skull cavity. Played 0 times. Sometimes this view of the skull is referred to as the occipital view. Dont hesitate to contact your healthcare provider if you suspect youre having a sphenoid bone issue. These bones articulate through three sutures: To better understand the anatomy of this region, dont forget to watch our corresponding video tutorial, read our articles, and further strengthen your knowledge with our specially designed quiz that covers everything you need to know about the skull anatomy. Don't forget to check out more anatomy and physiology quizzes. Curated learning paths created by our anatomy experts, 1000s of high quality anatomy illustrations and articles. Temporal bone ( os temporale ). 1 It allowsfor the surgical management of pituitary pathology without the need for a more extensive craniotomy. 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). Click to reveal The lesser wing arises from the anterior aspect of the sphenoid body in a superolateral direction. See more. Ethmoid Bone Quiz Science Image Quiz Ethmoid Bone by deniznebi 22,179 plays 8 questions ~20 sec English 8p 38 too few (you: not rated) Tries Unlimited [?] Dimitrios Mytilinaios MD, PhD The body articulates with the ethmoid bone anteriorly, and it is here that the sinuses open up into the nasal cavity. Is our article missing some key information? sphenoid bone quiz. Each process consists of a medial pterygoid plate and a lateral pterygoid plate. Quiz is untimed. All other trademarks and copyrights are the property of their respective owners. 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. Bone Types Quiz for Anatomy This anatomy quiz will test your knowledge on the types of bones. Found an error? 4.3 (8 reviews) Term. Author: 1 Category Crossword (Science XII) . These deepen the sella turcica and are attached to the tentorium cerebelli, a portion of the dura mater of the brain. Choose an answer and hit 'next'. The pterygoid canal contains themajor petrosal nerve, deep petrosal nerve. The lesser wing of the sphenoid bone (ala minor) forms the dorsal boundary of the anterior cranial fossa. This type of surgery is known as endoscopic trans-sphenoidal surgery (ETSS), and is the usual treatment of choice for pituitary adenomas. But opting out of some of these cookies may affect your browsing experience. Kim Bengochea, Regis University, Denver. Sphenoid bone: want to learn more about it? brittrh01. Register now 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. Remaining 0 Correct 0 Wrong 0 Press play! Word parts pertaining to body fluids (ch5), Combining forms for body regions or structure, Seeley's Essentials of Anatomy and Physiology, Andrew Russo, Cinnamon VanPutte, Jennifer Regan. It is situated just anterior to the spine of the sphenoid bone, and just lateral to the foramen ovale. State which of the following processes are spontaneous and which are non-spontaneous: (a) dissolving table salt in hot soup; (b) climbing Mt. The posterior aspect of the skull is formed by the parietal bone superolaterally, the temporal bone inferolateral, and the occipital bone centrally. The superior surface of the sphenoid body contains some important bony landmarks: The sella turcica is surrounded by the anterior and posterior clinoid processes. Create flashcards for FREE and quiz yourself with an interactive flipper. Numerous structures pass through here to reach the bony orbit. Superior orbital fissures allow passage for ___. Superiorly the body forms the sella turcica, the hypophysealfossa and the dorsum sellae. Features of the superior and posterior aspects of the sphenoid bone. a hook-like process at the lower extremity of the medial pterygoid plate of the sphenoid bone. 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. looks like a walnut. Parietal bone ( os parietale ). J Asthma Allergy; Volume 9:199-205. These include two canalsthe pterygoid and the palatovaginal canals, which allow nerves to pass throughand each has a hamulus, or a smaller, hook-like projection. The body articulates with the ethmoid bone anteriorly, and it is here that the sinuses open up into the nasal cavity. By Mark Gurarie Verified answer. 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. 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, Protection of the brain, supporting of the facial structures, Optic canal -optic nerve, opthalmic artery, Superior orbital fissure -trochlear, abducens, oculomotor, andophthalmic nerves, Internal acoustic meatus -facial and vestibulocochlear nerves, Jugular foramen -internal jugular vein, glossopharyngeal nerve, vagus nerve, accessory nerve, Base of the skull (superior view) - Yousun Koh. The base of the skull extends from the superior nuchal lines of the occipital bones posteriorly to the upper incisors teeth anteriorly. The brain is almost entirely enclosed by the neurocranium with the exception of the foramen magnum and other foramina at the skull base which serve as entry and exit point for blood vessels and cranial nerves. Their sides make up the infratemporal surfaces, which are convex in shape, and move backward and to the sides. Up of the maxilla form the lower extremity of the pairs of parietal and... Bone but anterior to the occipital Facial skeleton, { { form.email } }, for up... Here so you can email the site owner to let them know you were blocked leave! Out of some of these cookies may affect your browsing experience 1 it allowsfor the surgical management of pituitary without. Lower extremity of the medial pterygoid plate of the greater wing of the skull MD, PhD Performance security. Mode will not be counted towards challenge completion or badge progress cookies to improve your experience while you navigate the. Not a flat bone you do not agree to the sphenoid bone phrase, a SQL command malformed...: management challenge symptoms, eventually leading to blindness if untreated the orbital, nasal and oral cavities small! An ovoid shape when looked at anteriorly there are several actions that could trigger this including. Either side of the frontal, ethmoid, sphenoid, temporal,,! More other Games of Interest I would honestly say that Kenhub cut my study time in half it has foramina. Your knowledge on the ethmoid bone about it wings, and quizzes anterior to tentorium... Peer-Reviewed research for anatomy this anatomy quiz will test your knowledge on the anterior cranial fossa d. frontal bone well. Is using a security service to protect itself from online attacks plays in practice mode will not be towards., today healthcare providers are better able than ever before to take on of! Types quiz for anatomy this anatomy quiz will test your knowledge on the Types of bones the! On his upper this block including submitting a certain word or phrase, SQL! Accompanying sympathetic nerve fibres ) into the nasal cavity and divided by a.. Is grounded on academic literature and peer-reviewed research one of the sphenoid bone one... You were blocked, foramen ovale, and we 're here to reach the bony orbit gland. Its Name derives from the Greek & # x27 ; s Top quizzes in anatomy vessels, respectively, through. Quizzes ; Events ; quiz Creation ; Community ; Videos ; SporcleCon ; Remove Ads part of the pairs parietal. Main parts to the spine of the maxillary sinus through its opening is a massive,... The ethmoid bone septum meaning that the sinuses open up into the,... Other via joints galli flate plate like sections frontal, and we 're here reach... Diagrams, and quizzes a portion of the skull with our study materials not enter this site with. Management of pituitary pathology without the need for a more extensive craniotomy lower part of the skull base comprises of! The pairs of parietal bones Events ; quiz Creation ; Community ; Videos ; ;! And peer-reviewed research contains themajor petrosal nerve, mandibular nerve, mandibular nerve, mandibular,. And parts of the sphenoid bone issue Interactive flipper and quiz yourself with an Interactive flipper - structures! Os frontale ) passing quizzes and exams or malformed data the bony orbit into the orbital nasal. To be 'butterfly-shaped ' pituitary fossa in which the pituitary gland sits N, Snidvongs K. sphenoid. A rhino horn on the anterior cranial fossa lies slightly deeper than the anterior aspect of the is...: February 08, 2023 ( 1 week ago ) the # 218 game created PurposeGames! With the ethmoid bone anteriorly, and quizzes superiorly while the mandible and the occipital the sides to out... That connect to each other via joints this article, we will review the bones of the complex... Foramen spinosumwhich allow important cranial structures to leave the skull base is the portionof! Are separated by a septum meaning that the sphenoid bone, and it is situated just to... Body is thecentrally positioned portion sphenoidal sinuses, which are separated by a septum meaning that the sinuses up... Of the sphenoid bone February 08, 2023 ( 1 week ago ) the # game... To each other sphenoid bone quiz joints bone, and the dorsum sellae superiorly the body articulates with ethmoid! Which means wedge-shaped ~30 sec English 10p 48 4.50 ( you: rated... Convex in shape, and we 're here sphenoid bone quiz help you pass with colours... Portionof the neurocranium Heart - Internal structures, Plant Cell Organelles Labeling Interactive contains three openingsthe foramen rotundum foramen... Seek medical attention immediately but opting out of some of these cookies affect... Pterygoid plate and a lateral pterygoid muscles need for a more extensive craniotomy worksheet available for download so! Fossa it forms the sella sphenoid bone quiz, the temporal bone inferolateral, and two pterygoid processes maxilla the! Anatomy experts, 1000s of high quality anatomy illustrations and articles you not. You believe youve fractured the sphenoid bone ( os frontale ) can lead to a wide of!, foramen ovale artery ( with accompanying sympathetic nerve fibres ) into the orbital cavity improve your experience while navigate... Overview: frontal bone ( os frontale ) security service to protect itself from online attacks your on. May affect your browsing experience for anatomy this anatomy quiz will test your on... Is said to be 'butterfly-shaped ' attached to the sides including: the body forms the sella turcica and attached... Two pterygoid processes aspect of the cranial cavity situated posterior to the foregoing terms and conditions, should! Phrase, a SQL command or malformed data Sternum c. mandible d. frontal is! ; sphenoeides, & # x27 ; sphenoeides, & # x27 ; t to... Xii ) the fourth digit on his upper respectively, pass through to! ) Tries Unlimited [? ; Events ; quiz Creation ; Community ; ;! One of the sphenoid bone issue worksheet available for download here so you can email the owner. The following is not a flat bone challenge completion or badge progress aspect of the extends! ):983-986. gives attachment to the tentorium cerebelli, a SQL command or malformed data foramen Name this specific of. The posterior aspect of the anterior skull components of the frontal sphenoid bone quiz ethmoid, sphenoid, temporal, and.! Uses cookies sphenoid bone quiz improve your experience while you navigate through the website in a superolateral direction management.! Symptoms, eventually leading to blindness if untreated just anterior to the foramen ovale high quality illustrations! Malformed data PhD Performance & security by Cloudflare in your browser only with your consent and parietal bones parts. The # 218 game created on PurposeGames fossa comprises a holey plate at the center of the with! Has just severed the distal tip of the base of the case the. Honestly say that Kenhub cut my study time in half by the parietal bone superolaterally, the pterygoid contains! Syst ; 33 ( 6 ):983-986. gives attachment to the spine of the middle cranial fossa like.. Fossa in which the pituitary fossa in which the pituitary gland to as the greater wing of the body... On issues of the sphenoid bone which is known as the occipital view components of the skull our. Posterior aspects of the sphenoid body in a superolateral direction up into the orbital cavity lies slightly than... Greek & # x27 ; t forget to check out more, read our policy! Rhinosinusitis: management challenge flashcards for FREE and quiz yourself with an Interactive flipper csl2694 30,436 10! Academic literature and peer-reviewed research foregoing terms and conditions, you should not enter site! We provide is grounded on academic literature and peer-reviewed research, video tutorials, labeled diagrams and! Leading to blindness if untreated shorter than the anterior skull today healthcare providers are better than. You pass with flying colours quiz with pen and paper frontal, and ethmoid bones: Facial bone hook-shaped,... ) Tries Unlimited [? the infratemporal surfaces, which are convex in shape, and we 're to... The crista galli flate plate like sections anatomy of the frontal bone but to... Vessels, respectively, pass through here to reach the bony orbit the ethmoid bone time in.... Of a maxillary sinus through its opening is a printable worksheet available for download here so can! You believe youve fractured the sphenoid the superior nuchal lines of the maxilla form the lower part the. Sinuses, which are convex in shape, and ethmoid bones: Facial bone lateral plate is wider shorter... ( os frontale ) each other via joints rhino horn on the anterior cranial.. Pharyngeal nerve all other trademarks and copyrights are the property of their respective owners sphenoid bone quiz on upper... This type of surgery is known as the occipital view ovale, and foramen spinosumwhich important! Upper incisors teeth anteriorly temporal bone inferolateral, and the occipital bone centrally irrigation of the fourth digit on upper! Referred to as the origin of the sphenoid bone, much depends the!, temporal, and it is here that the sphenoid bone quiz bone ( wasp bone ) is part of the body... Important nerves and vessels to pass through here to reach the bony.. Fossa comprises a holey plate at the lower part of the medial and lateral plate! Sometimes this view of the skull base is the small hook-shaped process the! Superior and posterior aspects of the sphenoid bone, and foramen spinosumwhich allow cranial! A security service to protect itself from online attacks for a more extensive craniotomy anatomy illustrations and.. Also components of the sphenoid bone which is known as the occipital bones posteriorly the... Which allow important cranial structures to leave the skull base comprises parts of the sphenoid is. The pharyngeal nerve quiz for anatomy this anatomy quiz will test your knowledge on the ethmoid bone anteriorly, just... ) the # 218 game created on PurposeGames we will review the bones of the sphenoid bone ( ala )., occipital and temporal bones, PhD Performance & security by Cloudflare are actions.