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Topic: Spine of sphenoid bone

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Bones and Joints of the Head and Neck - Self-study it articulates with the parietal bone and the greater wing of the sphenoid bone at the squamous suture articulates superiorly with the perpendicular plate of the ethmoid bone and the body of the sphenoid bone; articulates inferiorly with the palatine processes of the maxilla and the horizontal plate of the palatine bone of the mandibular division of the trigeminal nerve (cranial nerve V) spine of the sphenoid anatomy.uams.edu /AnatomyHTML/bonesheadneckss.html   (4343 words)

Head Lecture notes The spine of the sphenoid bone lies medial to the mandibular fossa. The inferior orbital fissure is a gap between the maxillary bone and the greater wing of the sphenoid bone. Mandibular fossa and articular tubercle of the temporal bone web.indstate.edu /thcme/duong/head.html   (12480 words)

Skull_Base_Surgery_1993.txt The spine of the sphenoid is the most consistent and reliable extracranial landmark for locating the the ICA as it enters the petrous portion of the temporal bone. The infratemporal fossa is bound anteriorly by the posterior buttress of the malar eminence and maxillary sinus, posteriorly by the glenoid fossa, mandibular neck and condyle and medially by a plane extending from the lateral pterygoid plate to the spine of the sphenoid bone. The intracranial surface is formed by the greater wing and body of sphenoid bone as well as the petrous and squamous portions of the temporal bone. www.utmb.edu /oto/Grand_Rounds_Earlier.dir/Skull_Base_Surgery_1993.txt   (12480 words)

Head Lecture notes The spine of the sphenoid bone lies medial to the mandibular fossa. The inferior orbital fissure is a gap between the maxillary bone and the greater wing of the sphenoid bone. The last piece of cartilage to ossify is between the body of the sphenoid bone and the occipital bone, just anterior to the foramen magnum: this is the spheno-occipital synchondrosis. web.indstate.edu /thcme/duong/head.html   (12480 words)

Head Lecture notes The spine of the sphenoid bone near the foramen spinosum. The spine of the sphenoid bone lies medial to the mandibular fossa. The last piece of cartilage to ossify is between the body of the sphenoid bone and the occipital bone, anterior to the foramen magnum: this is the spheno-occipital synchondrosis (the epiphyseal plate for growth in length of the base of the skull and it ossifies at age 25). web.indstate.edu /thcme/duong/head.html.txt   (1219 words)

Head Lecture notes The spine of the sphenoid bone near the foramen spinosum. The spine of the sphenoid bone lies medial to the mandibular fossa. The last piece of cartilage to ossify is between the body of the sphenoid bone and the occipital bone, anterior to the foramen magnum: this is the spheno-occipital synchondrosis (the epiphyseal plate for growth in length of the base of the skull and it ossifies at age 25). web.indstate.edu /thcme/duong/head.html.txt   (1219 words)

eMedicine - Nasal and Sublabial Approaches to the Pituitary : Article by Howard S Kotler, MD, FACS Anteriorly, a lateral margin of the sphenoid bone forms a portion of the posterior orbital wall, and the anterior sphenoid forms a crest that articulates with the perpendicular plate of the ethmoid bone. The extent of pneumatization by the sinus into the sphenoid bone varies greatly. The cartilage is removed using a swivel knife and cleanly excised from its junction at the perpendicular ethmoid bone, vomer, and maxillary crest and spine. www.emedicine.com /ent/topic592.htm   (3920 words)

Bashline Clinic If your sphenoid bone is locked, your body will balance itself by twisting or turning some other part of your body (like your spine or your head) to maintain stability. The sphenoid bone was designed by our creator to stay balanced at all times, like a compass always wanting to point north, otherwise we would not stay upright. The NCR doctor monitors the position of the sphenoid closely throughout the treatments since each inflation changes the picture. www.ncrdoctor.info   (3920 words)

The axial skeleton Chapter 7 Articulations: The ethmoid bone articulates with the frontal and sphenoid bones of the cranium and with the nasal, lacrimal, palatine, and maxillary bones and the inferior nasal conchae and vomer of the face (Figures 7-3c,d, 7-4a, and b). Articulations: The sphenoid bone articulates with the frontal, occipital, parietal, ethmoid, and temporal bones of the cranium and the palatine bones, zygomatic bones, maxillary bones, and vomer of the face (Figures 7-3c,d,e, 7-4a, and b). The adult vertebral column, or spine, consists of 26 bones: the vertebrae (24), the sacrum, and the coccyx, or tailbone. www.udayton.edu /~brahler/axial_skeleton_chapter_7.htm   (8647 words)

The axial skeleton Chapter 7 Articulations: The ethmoid bone articulates with the frontal and sphenoid bones of the cranium and with the nasal, lacrimal, palatine, and maxillary bones and the inferior nasal conchae and vomer of the face (Figures 7-3c,d, 7-4a, and b). Articulations: The sphenoid bone articulates with the frontal, occipital, parietal, ethmoid, and temporal bones of the cranium and the palatine bones, zygomatic bones, maxillary bones, and vomer of the face (Figures 7-3c,d,e, 7-4a, and b). The adult vertebral column, or spine, consists of 26 bones: the vertebrae (24), the sacrum, and the coccyx, or tailbone. www.udayton.edu /~brahler/axial_skeleton_chapter_7.htm   (8647 words)

The axial skeleton Chapter 7 Articulations: The ethmoid bone articulates with the frontal and sphenoid bones of the cranium and with the nasal, lacrimal, palatine, and maxillary bones and the inferior nasal conchae and vomer of the face (Figures 7-3c,d, 7-4a, and b). Articulations: The sphenoid bone articulates with the frontal, occipital, parietal, ethmoid, and temporal bones of the cranium and the palatine bones, zygomatic bones, maxillary bones, and vomer of the face (Figures 7-3c,d,e, 7-4a, and b). The adult vertebral column, or spine, consists of 26 bones: the vertebrae (24), the sacrum, and the coccyx, or tailbone. www.udayton.edu /~brahler/courses/HSS305/axial_notes.htm   (8647 words)

Frontal bone - Wikipedia, the free encyclopedia The spine is ossified from a pair of secondary centers, on either side of the middle line; similar centers appear in the nasal part and zygomatic processes. The spine forms part of the septum of the nose, articulating in front with the crest of the nasal bones and behind with the perpendicular plate of the ethmoid. The frontal articulates with twelve bones: the sphenoid, the ethmoid, the two parietals, the two nasals, the two maxillæ, the two lacrimals, and the two zygomatics. en.wikipedia.org /wiki/Frontal_bone   (1253 words)

Head Lecture notes The spine of the sphenoid bone lies medial to the mandibular fossa. The inferior orbital fissure is a gap between the maxillary bone and the greater wing of the sphenoid bone. The flat bones of the skull are also pierced by emissary foramina transmitting emissary veins connecting veins of the scalp with the dural venous sinuses inside the skull (this is a possible route for the spread of infection). web.indstate.edu /thcme/duong/head.html   (1253 words)

Head Lecture notes The spine of the sphenoid bone lies medial to the mandibular fossa. The inferior orbital fissure is a gap between the maxillary bone and the greater wing of the sphenoid bone. The flat bones of the skull are also pierced by emissary foramina transmitting emissary veins connecting veins of the scalp with the dural venous sinuses inside the skull (this is a possible route for the spread of infection). web.indstate.edu /thcme/duong/head.html   (12467 words)

ga4-hn9.doc Attaches from the scaphoid fossa of medial pterygoid plate, spine of sphenoid bone, and cartilage of pharyngotympanic tube TO palatine aponeurosis. The bony parts are the nasal bones, frontal processes of the maxillae, and nasal part of the frontal bone and its nasal spine. The fibers pass through foramina in the cribriform plate of the ethmoid bone, pierce the duran and arachnoid of the brain, and enter the olfactory bulb in the anterior cranial fossa. www.med.unc.edu /wms/firstaid/ga4-hn9.doc   (12467 words)

realnews.ca - Ethmoid bone Cribriform Plate Orbital plate of the frontal bone Lesser wing of the sphenoid bone The cribriform plate of the ethmoid with the crista galli transmits... 1] presents in front a prominent spine, the ethmoidal spine, for articulation with the cribriform plate of the ethmoid bone; Suggested Web Sites about Ethmoid bone Cribriform Plate www.realnews.ca /Ethmoid-bone-Cribriform-Plate/reference/search   (12467 words)

II. Osteology. 5b. 5. The Palatine Bone. Gray, Henry. 1918. Anatomy of the Human Body. Some authorities describe the bone as ossifying from four centers: one for the pyramidal process and portion of the vertical part behind the pterygopalatine groove; a second for the rest of the vertical and the horizontal parts; a third for the orbital, and a fourth for the sphenoidal process. The palatine bone is situated at the back part of the nasal cavity between the maxilla and the pterygoid process of the sphenoid (Fig. Its medial end is sharp and pointed, and, when united with that of the opposite bone, forms a projecting process, the posterior nasal spine for the attachment of the Musculus uvulæ. www.bartleby.com /107/41.html   (1304 words)

H3B.doc The lateral side is composed largely of the zygomatic bone at the margin and of the greater wing of the sphenoid as it extends inward. Describe the bones of the orbit Definition: The bony orbit is the bony cavity in the skull that surrounds the eye. On the anteromedial side of the roof is a small spine which represent the attachment of the trochlea (pulley) through which the superior oblique muscle will run. students.washington.edu /marafie/HeadNeckViva/H3B.doc   (650 words)

Bone He is the older brother of Layzie Bone and the cousin of Wish Bone. The nasal process ends below in a sharp spine, and on either side of this is a small grooved surface which enters into the formation of the roof of the corresponding nasal cavity. Jacque Vaughn of the New Jersey Nets broke a bone in his right foot early in the first quarter Saturday night against the Orlando Magic. bonose.com /Bone.html   (650 words)

eMedicine - Fractures, Orbital : Article by Thomas Widell, MD Optic nerve exits the optic foramen in the lesser wing of the sphenoid bone. Weakest portion of the orbit is the thin orbital floor (maxilla) and the lamina papyracea (ethmoid bone) medially and inferiorly. Superior orbital rim fracture is a frontal bone fracture that is associated with high-impact injuries to the brain, face, and cervical spine. www.emedicine.com /emerg/topic202.htm   (3398 words)

Head Lecture notes The spine of the sphenoid bone lies medial to the mandibular fossa. The spine of the sphenoid bone near the foramen spinosum. The last piece of cartilage to ossify is between the body of the sphenoid bone and the occipital bone, anterior to the foramen magnum: this is the spheno-occipital synchondrosis (the epiphyseal plate for growth in length of the base of the skull and it ossifies at age 25). web.indstate.edu /thcme/duong/head.html.txt   (1219 words)

skull1 [1] frontal bone, [3] supraorbital foramen, [4] nasal bone, [5-9] parts of maxilla: [5] front of the maxilla, [6] maxilla, [7] alveolar process, [8] anterior nasal spine, [9] infraorbital foramen, [10] middle nasal concha, [11] inferior nasal concha, [12] orbital cavity, [13] zygomatic bone, [14] mental foramen, [16] alveolar process, [17] body, [18] ramus. (1) frontal process of maxilla, (2) nasal bone, (3) superior consha, (4) middle concha, (5) inferior concha, (6) nasal crest of maxillary and (7) palatine bones, (8) medial pterygoid plate of sphenoid bone. (1) alveolar ridge (encircles palatine processes), (2) premaxilla (incisive bone), (3) incisive foramen, (4) incisive suture, (5) palatine process of maxilla, (6) median palatine suture, (7) transverse palatine suture, (8) horizontal plate of the palatine bone, (9) posterior nasal spine, (10) greater and (11) lesser palatine foramina. www.indiana.edu /~iuspfiz/skull1.html   (286 words)

II. Osteology. 5a. 4. The Temporal Bone. Gray, Henry. 1918. Anatomy of the Human Body. The three principal parts of the tempora bone at birth. The stylohyal does not unite with the rest of the bone until after puberty, and in some skulls never at all. —The temporal bone is ossified from eight centers, exclusive of those for the internal ear and the tympanic ossicles, viz., one for the squama including the zygomatic process, one for www.bartleby.com /107/34.html   (3162 words)

Virtual Hospital: Illustrated Encyclopedia of Human Anatomic Variation: Opus V: Skeletal System: SphenoidBone The angular spine of the greater wing of the sphenoid may participate with its lateral surface in forming the articular fossa for the mandible. Ginsberg, et al point out that the foramen rotundum originates embryologically as the foramen lacerum anterius, a hiatus between the orbitosphenoid and alisphenoid, which are precursors of the lesser and greater wings of the sphenoid bone respectively. Occasionally, foramina occur through bridges of bone between the posterior margin of the lateral pterygoid lamina and the spine medial to the foramen ovale; these transmit the nerves and vessels for the medial pterygoid muscle. www.vh.org /adult/provider/anatomy/AnatomicVariants/SkeletalSystem/Text/SphenoidBone.html   (3167 words)

II. Osteology. 5c. The Exterior of the Skull. Gray, Henry. 1918. Anatomy of the Human Body. They are separated from one another by the vomer, and each is bounded above by the body of the sphenoid, below by the horizontal part of the palatine bone, and laterally by the medial pterygoid plate of the sphenoid. Laterally this opening is bounded by sharp margins, to which the lateral and alar cartilages of the nose are attached; below, the margins are thicker and curve medialward and forward to end in the anterior nasal spine. Lateral to this aperture is a groove, the sulcus tubæ auditivæ, between the petrous part of the temporal and the great wing of the sphenoid. www.bartleby.com /107/46.html   (3167 words)

PubMed medline query CT scan of the brain and the orbit showed the large epidural clot communicating with an ipsilateral retrobulbar hematoma through a sphenoid bone fracture. Furthermore, EPs disagree with recommendations for routine use of CT head and cervical spine radiography and strongly support the development of well-validated decision rules for the use of CT head and cervical spine radiography. Cerebrospinal fluid (CSF) leakage, meningitis, brain abscess formation, development of traumatic aneurysm (TA), carotid-cavernous sinus fistula (CCF), wandering intracerebral and intraventricular pellet, and splitting of the pellet after striking hard bone were the complications noted. rad.usuhs.mil /rad/references/ER_CT.htm   (3167 words)

BNI Quarterly Comments The upper (infratemporal) head of the lateral pterygoid muscle arises from the infratemporal planum and spine of the greater wing of the sphenoid, and the lower head arises from the lateral pterygoid plate (Fig. The tensor veli palatini muscles arise from the scaphoid fossa of the pterygoid process, medial to the foramen ovale, and from the spine of the sphenoid. The medial pterygoid muscle originates from the medial pterygoid plate, the pyramidal process of the palatine bone, and the tuberosity of the maxilla. www.emergemd.com /bniq/article.asp?article_ref_id=15-4-1   (3010 words)

Head Lecture notes The spine of the sphenoid bone near the foramen spinosum. The flat bones of the skull are also pierced by emissary foramina transmitting emissary veins connecting veins of the scalp with the dural venous sinuses inside the skull (possible route for infection). The jugular foramen is occupied by the jugular bulb (for expansion of the internal jugular vein) in life. web.indstate.edu /thcme/duong/head.html.txt   (3010 words)

CHAPTER 42: THE SKULL AND HYOID BONE The posterior and smaller is the foramen spinosum (in front of a spur named the spine of the sphenoid), which transmits the middle meningeal vessels and the meningeal branch of the mandibular nerve. The jugular process extends laterally from each condyle to the temporal bone, and its concave anterior border is the posterior boundary of the jugular foramen. The posterior border of the bony palate, which presents the posterior nasal spine, gives attachment to the soft palate (palatine aponeurosis). www.dartmouth.edu /~humananatomy/part_8/chapter_42.html   (6737 words)

Muscles of the Head and Neck - Sample Quiz Questions What muscle originates on the occipital bone, C-7 and all the thoracic vertebrae and inserts onto the lateral 1/3 of the clavicle, the acromion and the spine of the scapula? The lateral pterygoid muscle originates from the sphenoid bone and inserts onto the medial mandible. The internal _________________ muscles originate on the superior border of the rib below and insert onto the inferior border of the rib above. motted.hawaii.edu /~quizuser/quizzes/wissmanp/MusclesHeadNeckQz1.html   (6737 words)

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