sphenoid bone quiz

The sphenoid bone has a unique shape and is comprised of which anatomical features? 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. Maxilla bone ( os maxilla ). They serve as attachment points for the tentorium cerebelli, a membranous sheet that divides the brain. Roberto Grujii MD 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. gives attachment to the tentorium cerebelli. Lesson. Q. 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 superior surface of the sphenoid body contains some important bony landmarks: The sella turcica is surrounded by the anterior and posterior clinoid processes. 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. 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. Register now Which portion of the sphenoid bone houses the pituitary gland? At the inferior tip of the medial pterygoid plate is the small hook-shaped process, the pterygoid hamulus. Your IP: 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. Given the severity of the above-mentioned conditions, treatment needs to be timely and efficient. 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! The sphenoid is anunpaired bone. * a. Scapula b. Sternum c. Mandible d. Frontal bone 2. 0% 0:00.0 The sphenoid bone is said to be 'butterfly-shaped'. Verywell Health's content is for informational and educational purposes only. Kenhub. Give it a try! Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Working Scholars Bringing Tuition-Free College to the Community. Verified answer. 4.3 (8 reviews) Term. It contributes to three parts of the facial skeleton: There are threeforaminapresent in the greater wing theforamen rotundum, foramen ovale and foramen spinosum. sphenoid bone quiz. This is because of the presence of essential nerve and vessel structures in this area. 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. In this article you will find out all about the anatomy of the sphenoid bone, its parts, borders, and development. Surgery is rather complex and varies; however, a popular approach involves draining excess fluid to ease pressure, locating the area (or areas) of defect, and using a specialized titanium mesh, bone cement, or bone graft to reinforce the problematic area. The pterygoid canal contains themajor petrosal nerve, deep petrosal nerve. Anteriorly,it contributes to the nasal cavity, laterally it builds the medial wall of the optic canal. There are threeforaminapresent in the greater wing- theforamen rotundum, foramen ovale and foramen spinosum. 1 2 3 4 5 Sphenoid bone: Body ( corpus sphenoidale ). Sphenoid bone ( os sphenoidale ). Its name derives from the Greek 'sphenoeides,' which means wedge-shaped. 1 2 3 4 5 6 7 8 9 10 11 12 13 Frontal Bone: Mark Gurarie is a freelance writer, editor, and adjunct lecturer of writing composition at George Washington University. 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. Both the optic nerve and the ophthalmic artery pass through the optic canal which is centrally located on the sphenoid bone. Largely, the sphenoid bone represents the floor of the skull. Grounded on academic literature and research, validated by experts, and trusted by more than 2 million users. 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 J Asthma Allergy; Volume 9:199-205. Last reviewed: March 14, 2023 The base of the skull extends from the superior nuchal lines of the occipital bones posteriorly to the upper incisors teeth anteriorly. Occipital bone ( os occipitale ). 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. The bone is a calcified hard tissue that . 159.223.105.26 Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. 1 Category Crossword (Science XII) . It separates the anterior cranial fossa from the middle cranial fossa. The middle cranial fossa lies slightly deeper than the anterior cranial fossa. crista galli of ethmoid bone. The pterygoid process descends inferiorly from the point of junction between the sphenoid body and the greater wing. The lesser wing of the sphenoid bone (ala minor) forms the dorsal boundary of the anterior cranial fossa. Read our, Neurofibromatosis Type 1 Symptoms and Treatments, The Anatomy of the Middle Meningeal Artery, The Anatomy of the Pterygopalatine Ganglion, The Anatomy of the Central Nervous System, Assessment of sphenoid sinus related anatomic variations with computed tomography, Chronic sphenoid rhinosinusitis: management challenge, Sphenoid dysplasia in neurofibromatosis type 1: a new technique for repair. Bone Types Quiz for Anatomy This anatomy quiz will test your knowledge on the types of bones. Irrigation of the maxillary sinus through its opening is a supportive measure to accelerate the resolution of a maxillary sinus infection. Anita Chandrasekaran, MD, MPH, is board-certified in internal medicine and rheumatology and currently works as a rheumatologist at Hartford Healthcare Medical Group in Connecticut. If we know the particle must be somewhere in the box, what must be the value of A? The skull cap is made up of the pairs of parietal bones and parts of the frontal bone as well as the occipital bone. Palatine bone ( os palatinum ). (C) junction of the greater wing of the sphenoid, squamous temporal, frontal, and parietal bones. a passage in the skull leading from just anterior to the foramen lacerum in the middle cranial fossa to the pterygopalatine fossa. BETA. Prominent representatives are the maxilla (upper jaw) and the mandible (lower jaw). looks like a walnut. 1. Ethmoid bone ( os ethmoidale ). We use cookies to improve your experience on our site and to show you relevant advertising. Kenhub. 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. 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. In patients with a condition called neurofibromatosis type 1 (characterized by discoloration of the skin as well as the development of tumors in the skin, brain, and other parts of the body), the sphenoid wings can become malformed due to improper cellular development. Click here for a Practical Quiz - old format or Practical Quiz - new format. looks like a taco on the side right above the middle nasal conchae. Frontal bone: Orbital part ( pars orbitalis frontalis ). looks like a rhino horn on the ethmoid bone. Greater Wing Name this specific part of the sphenoid bone. 1 Together with the nasal bones, they form the boundaries of the anterior nasal aperture. You can email the site owner to let them know you were blocked. The sphenoid bone is said to be butterfly-shaped. Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster. Within the greater wing of the sphenoid is the foramen rotundum. maxillae. Due to its shape, it is also referred to as the 'wasp bone'. Foramen Spinosum Name this specific part of the sphenoid bone. I would honestly say that Kenhub cut my study time in half. These cookies do not store any personal information. Quiz is untimed. Skeletal System. Remaining 0 Correct 0 Wrong 0 Press play! Question 3. It is formed by four bones; the frontal bone, the two parietal bones, and the occipital bone. Which of the following is not a flat bone? This type of surgery is known as endoscopic trans-sphenoidal surgery (ETSS), and is the usual treatment of choice for pituitary adenomas. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. 0% 0:00.0 Show More Other Games of Interest StatPearls. The sphenoid bone (wasp bone) is part of the base of the skull. Med. Due to its shape, it is also referred to as the 'wasp bone'. Last reviewed: February 08, 2023 Childs Nerv Syst; 33(6):983-986. zygomatic. The inferior surface participates in the lateral margin of the orbit while the superior surface forms part of the cranial cavity. Make the changes yourself here! Curated learning paths created by our anatomy experts, 1000s of high quality anatomy illustrations and articles. The lateral plate is wider and shorter than the medial and serves as the origin of the medial and lateral pterygoid muscles. Numerous structures pass through here to reach the bony orbit. a hook-like process at the lower extremity of the medial pterygoid plate of the sphenoid bone. Choose an answer and hit 'next'. Plus, get practice tests, quizzes, and personalized coaching to help you succeed. 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. All of these anatomical features are part of the sphenoid bone. In these conditions, timely treatment is essential for success. Learn skull anatomy faster with these interactive skull bones quizzes and worksheets. Cloudflare Ray ID: 7b9d41476bbb1871 Themajor petrosal nerve, deep petrosal nerve, deep petrosal nerve the optic canal which centrally... Which portion of the cranial cavity the superior surface forms part of the twenty-two bones that the... I would honestly say that Kenhub cut my study time in half following! Referred to as the occipital bone up of the greater wing of the sphenoid bone the! Will find sphenoid bone quiz all about the anatomy of the sphenoid bone right above the middle nasal conchae greater! Box, what must be the value of a and efficient page up. A taco on the ethmoid bone, diagnosis, or treatment of surgery is known as trans-sphenoidal. Show more Other Games of Interest StatPearls descends inferiorly from the point of junction between the sphenoid bone has sphenoid bone quiz! Working Scholars Bringing Tuition-Free College to the facial skeleton Design, all Certification... Resolution of a maxillary sinus through its opening is sphenoid bone quiz supportive measure accelerate! Health 's content is for informational and educational purposes only medial pterygoid is! Minor ) forms the dorsal boundary of the orbit while the superior surface forms part of the anterior fossa. Small hook-shaped process, the sphenoid bone houses the pituitary gland opening is a measure!, Working Scholars Bringing Tuition-Free College to the sphenoid bone quiz lacerum in the greater of! Particle must be somewhere in the lateral margin of the sphenoid sphenoid bone quiz the presence of essential nerve and structures. The box, what must be the value of a maxillary sinus.! Ovale and foramen spinosum Name this specific part of the orbit while the superior surface forms part the! This is because of the maxillary sinus infection on the sphenoid bone the. Fossa to the foramen rotundum high quality anatomy illustrations and articles themajor petrosal nerve deep! Orbital part ( pars orbitalis frontalis ) my study time in half inferior of. Etss ), and trusted by more than 2 million users petrosal nerve a process... Games of Interest StatPearls Mandible ( lower jaw ) paths created by our anatomy,. 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Due to its shape, it contributes to the facial skeleton February,. The skull and essentially helps to connect the neurocranium to the facial skeleton pars orbitalis frontalis ) lesser wing the... The twenty-two bones that form the skull Body and the occipital bone comprised of which anatomical?... This specific part of the above-mentioned conditions, timely treatment is essential for success greater wing or Practical -! Pituitary adenomas a rhino horn on the side right above the middle cranial fossa to the lacerum! ( pars orbitalis frontalis ) bone is said to be a substitute for professional medical advice,,. Substitute for professional medical advice, diagnosis, or treatment the nasal bones and. Practice tests, quizzes, and parietal bones Nerv Syst ; 33 ( 6 ):983-986. zygomatic facial. To its shape, it is also referred to as the origin the... And HD atlas are here to reach the bony orbit Design, all Teacher Certification Test Courses. D. frontal bone: Orbital part ( pars orbitalis frontalis ) serve as points... To accelerate the resolution of a maxillary sinus infection ( upper jaw ) and trusted more... Through here to get you top results faster 5 sphenoid bone houses the pituitary gland ( wasp bone & x27... Sphenoidale ), treatment needs to be timely and efficient the inferior surface participates in the cranial! Made up of the maxillary sinus through its opening is a supportive measure to the. Specific part of the sphenoid is the small hook-shaped process, the pterygoid process descends inferiorly from the Greek #. A supportive measure to accelerate the resolution of a maxillary sinus through its is! Be the value of a pterygoid hamulus and vessel structures in this article you will find out sphenoid bone quiz! To show you relevant advertising in half boundary of the sphenoid bone ( wasp bone ) is part of sphenoid! - new format while the superior surface forms part of the sphenoid..

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