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Topic: Temporal bone

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Nasal bone

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Lacrimal bone

Parietal bone

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Ethmoid bone

Occipital bone

Sphenoid bone

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	eMedicine - Temporal Bone Fractures : Article by Sarah Connell, MD
		High-resolution CT (HRCT) of the temporal bones is useful in assessing injuries complicated by CSF leak or facial paralysis.
		In longitudinal fractures, the severity of temporal bone fracture is unrelated to the incidence of vertigo.
		Posttraumatic cholesteatoma is a late complication of temporal bone fracture and is caused by skin entrapment in the cranial vault or temporal bone.
	www.emedicine.com /ent/topic477.htm (4211 words)

	CHAPTER 42: THE SKULL AND HYOID BONE
		Medial to its communication with the temporal fossa, the roof of the infratemporal fossa is formed by the infratemporal surface of the greater wing of the sphenoid bone (fig.
		The groove between the petrous part of the temporal bone and the greater wing of the sphenoid bone is occupied in vivo by the cartilaginous part of the auditory tube.
		42-19 The" sphenoidal ridge" is the posterior border of the lesser wing of the sphenoid bone.
	www.dartmouth.edu /~humananatomy/part_8/chapter_42.html (6736 words)

	Temporal lobectomy
		The vestibular nerve enters the temporal bone at the internal auditory meatus which is the site of transition from the central to peripheral portions of the nerve and also the site of origin of vestibular schwannoma (acoustic neuroma).
		CRANIOTOMY technique is used to expose the floor of the middle (temporal) fossa and the superior portion of the petrous temporal bone for drilling to expose the vestibular nerve in the internal auditory canal.
		Resection of temporal lobe is limited by the Sylvian fissure which is the boundary between the temporal and frontal lobes.
	uscneurosurgery.com /infonet/surgery/procedures/temporal_lobectomy.htm (2525 words)

	Temporal Bone Trauma (Mar.1997)
		Temporal bone injury occurs in approximately twenty percent of all skull fractures.
		He postulated that temporal bone fracture with unfixed bone fragments resulted in instability of the TMJ leading to a nonfunctioning joint.
		Due to the proximity of the dura when operating on the temporal bone, a tear in the dura with subsequent CSF leak is a risk.
	www.utmb.edu /otoref/Grnds/tbontra.htm (3443 words)

	eMedicine - Temporal Bone Fractures : Article Excerpt by: Sarah Connell, MD
		Temporal bone injuries reportedly occur in 14-22% of all skull fractures.
		Longitudinal fractures comprise 70-90% of all temporal bone fractures.
		Transverse fractures comprise 10-30% of all temporal bone fractures.
	www.emedicine.com /ent/byname/temporal-bone-fractures.htm (586 words)

	Temporal Bone Trauma
		Temporal bone injury occurs in approximately twenty percent of all skull fractures.
		In the pediatric population, the most common etiology of temporal bone fractures are falls, followed by vehicle accidents, including motor vehicles and bicycles.
		He postulated that temporal bone fracture with unfixed bone fragments resulted in instability of the TMJ leading to a nonfunctioning joint.
	www.otohns.net /?id=15233 (3450 words)

	BioMed Central \| Full text \| Giant cell tumor of the temporal bone - a case report
		Temporal bone tumors present with pain usually behind the affected ear, deafness and facial weakness as in the present case [6].
		Temporal bone GCT may invade the infratemporal fossa, paranasal sinuses and nasopharynx [6].
		CGCG is a reactive bone lesion that occurs mainly in the jaws [11].
	www.biomedcentral.com /1472-6815/5/8 (2729 words)

	Infratemporal Fossa
		it articulates with the mandibular fossa of the temporal bone
		it articulates with the parietal bone and the greater wing of the sphenoid bone at the squamous suture
		the ligament that attaches to the spine of the sphenoid bone superiorly and the lingula of the mandible inferiorly
	anatomy.uams.edu /anatomyhtml/infratemporalfossa.html (3258 words)

	TRANSTEMPORAL APPROACHES TO SKULL BASE
		The squama of the temporal bone forms the lateral wall of the central air containing space, the antrum, which communicates with middle ear by the aditus.
		The opening of the hiatus of the facial canal is anterior and medial to the arcuate eminence; this transmits the superficial petrosal branch of the middle meningeal artery and the greater petrosal nerve.
		Carotid ridge is a sharp bone separating the carotid and jugular foramen.
	www.thamburaj.com /transtemporal_approaches.htm (2068 words)

	Pictures of Temporal Bone Fractures - Otolaryngology Houston
		Occasionally, the VIth nerve is also injured as it courses near the temporal bone, causing paralysis of the lateral rectus of the eye.
		Petrous temporal bone fractures may be associated with cranial nerve or vascular injuries when the fracture extends to the skull base.
		Temporal bone fractures caused by gunshot wounds are frequently complex and may be limited by metallic streak artifacts.
	www.ghorayeb.com /TBFX.html (441 words)

	The Future is Bluetooth
		Studying donated temporal bones, removed after death and prepared using a variety of research techniques, such as light and electron microscopy, immunohistochemistry and molecular biology, is one of the best ways to learn about these disorders and subsequently, develop new cures.
		Temporal bone removal does not affect the appearance of the donor’s outer ear, face or head and is performed at no cost to the donor’s family or estate.
		Donating to the National Temporal Bone Registry is a wonderful way to make a positive contribution to future generations who consequently might not have to suffer from the same hearing or balance disorders of today.
	www.drf.org /hearing_health/archive/2005/spring05_temporalbones.htm (1105 words)

	Temporal Bone Fractures: Facial Trauma: Merck Manual Professional
		Temporal bone fractures can occur after severe blunt trauma to the head and sometimes involve structures of the ear, causing hearing loss, vertigo, balance disturbance, or facial paralysis.
		Temporal bone fractures are suggested by Battle's sign (postauricular ecchymosis) and bleeding from the ear.
		Temporal bone fractures have been classified by orientation with respect to the long axis of the petrous portion of the temporal bone.
	www.merck.com /mmpe/sec21/ch312/ch312e.html (540 words)

	Temporal Bone Fractures
		Fractures of the temporal bone are commonly classified based on the relationship of the fracture line to the long axis of the temporal bone.
		This derives from edema, intraneural hemorrhage, bony fragment impingement and dehiscence of the nerve.
		Effect of transverse temporal bone fracture on the fluid compartment of the inner ear.
	www.bcm.edu /oto/grand/4292.html (2900 words)

	The Temporal Bone
		So, studying donated temporal bones after death is one of the best ways to learn about the causes of ear disorders, and to devise new treatments and cures.
		The temporal bones form a part of the base of your skull.
		Therefore, the sooner a temporal bone can be procured after death, the better it will pass through the preparation process, and the more valuable the specimen will be.
	www.tbregistry.org /body/tempbone.htm (723 words)

	CSS TEST
		It continues and expands upon the activities of the former National Temporal Bone Banks program established in 1960 by the Deafness Research Foundation, and is headquartered at the Massachusetts Eye and Ear Infirmary in Boston, Massachusetts.
		The temporal bone Registry is a non-profit organization which recruits individuals with hearing and balance problems to donate their temporal bones for research after death.
		Studying donated temporal bones after death is one of the best ways to learn about the causes of ear disorders, and to devise new treatments and cures.
	www.american-hearing.org /temporalbonebank.html (700 words)

	Fibrous Dysplasia Involving The Temporal Bone
		Fibrous dysplasia of bone is a fibro-osseous tissue disease which has unknown etiology and characterized by replacement of normal bone by a variable amount of fibrous tissue and woven bone.
		Fibrous dysplasia rarely involves temporal bone and diagnosis is made with the displacement of neighboring structures.
		The percentile of temporal bone of involvement between all cranial bones is 18%.
	www.ispub.com /ostia/index.php?xmlFilePath=journals/ijorl/vol2n1/fibrous.xml (2363 words)

	Glasgow temporal bone course and plastic bones
		The tiny, complex and variable anatomy of the temporal bone and its diseases provide a challenge for aspiring otologists and a risk for patients.
		The dissectable bones are worked on using a drill, suction/irrigation, curette, operating microscope and ordinary otology instruments.
		The dissected bones can be used by the surgeon to guide him or her through the various stages of a procedure or to explain to colleagues or patients the nature of a surgical operation.
	www.temporal-bone.com /plastic.htm (325 words)

	MICROSCOPIC ANATOMY OF THE HUMAN TEMPORAL BONE
		Preparation of the human temporal bone for microscopic study generally involves fixation, decalcification, embedding in a supporting medium such as celloidin and sectioning parallel to the long axis of the specimen at a thickness of 20 um.
		Human Temporal Bone - A good overview of the middle and inner ears can be obtained by observing a human temporal bone from its superior surface after the tegmen tympani has been removed.
		Orientation: Because the long axis of the temporal bone is 45° to the midsagittal plane of the skull, true medial is deep into the screen (or page) and true lateral is out towards the viewer.
	oto.wustl.edu /bbears/tb-intro.htm (824 words)

	Core Curriculum Syllabus: Anatomy Review
		The temporal bone contains the sensory organs of hearing and balance, and structurally contributes to the cranial vault.
		The temporal bone consists of five parts: the squamous, the mastoid, the tympanic, zygomatic and petrous segment.
		The facial nerve passes through the temporal bone en route to the muscles of facial expression.
	www.bcm.edu /oto/studs/anat/tbone.html (889 words)

	Studying the Temporal Bone
		Medical records are also studied along with the temporal bone sections to understand the relationship between actual hearing and structure within the temporal bone.
		Immediately after removal, he small section of temporal bone is be placed in a solution of chemicals which preserves the tissue.
		Because the organs of the hearing and balance system are embedded inside the temporal bone the bony tissue must be removed.
	www.tbregistry.org /body/studybon.htm (655 words)

	OJHAS: 2005-4-2, Meher R Ivory Osteoma Of Temporal Bone
		In the temporal bone, the external auditory canal is the predominant location, rarely present in the mastoid, the squamous portion of the temporal bone, inner ear canal and middle ear.
		Below the cortical bone, there are trabeculae of spongy bone, ranging in vascularization and amount of fibrous tissue present.
		Comprised by spongy bone and fibrous cell tissue, with tendency to expand to the diploe and involving the internal and external lamina of the affected bone, have bone marrow and also known as cancellous or osteoid osteomas.
	www.ojhas.org /issue16/2005-4-2.htm (1119 words)

	Temporal Bone Trauma
		Recreational activities that present the greatest risk for head injury include bicycle riding, skate boarding, equestrian activities, and the increasingly popular roller blading.3 In the pediatric population, the most common etiology of temporal bone fractures are falls, followed by vehicle accidents, including motor vehicles and bicycles.4
		An uncommon finding of TMJ dysfunction following temporal bone fracture was recently reported by Avrahami.14 He reported a series of six patients with unilateral temporal bone fractures and intact temporomandibular joints who complained of trismus, inability to chew, and pain in the TMJ.
		Due to the proximity of the dura when operating on the temporal bone, a tear in the dura with subsequent CSF leak is a risk.
	www.otohns.net /default.asp?id=14105 (3382 words)

	Temporal Bone:Otolaryngology Department:SUNY Upstate Medical University
		Each spring, residents participate in a temporal bone dissection course in the department’s temporal bone laboratory in Room 5322 Weiskotten Hall.
		Residents receive two temporal bones each; one must be submitted on the final day for evaluation by the faculty.
		The award for the best temporal bone dissection is awarded at the department's end of the year graduation ceremony.
	www.upstate.edu /ent/education/temporal_bone.php (88 words)

	Case 48: Osteogenesis Imperfecta of the Temporal Bone -- Heimert et al. 224 (1): 166 -- Radiology
		Paget disease, syphilitic involvement of the temporal bone,
		bone involving all or part of the otic capsule (14).
		Osteogenesis imperfecta of the temporal bone and its relation to otosclerosis.
	radiology.rsnajnls.org /cgi/content/full/224/1/166 (2650 words)

	Collaborating Temporal Bone Laboratories
		The study of the human temporal bone is a time-consuming, expensive, and challenging process.
		These laboratories were continually collecting, processing and studying temporal bones, some on their own and some with the assistance of a National Temporal Bone Bank Program (NTBB).
		While all of these laboratories possess temporal bone collections, only fifteen are actively collecting, processing and studying temporal bone specimens.
	www.tbregistry.org /body/tblabs.htm (298 words)

	Dept of Anth: Temporal Page
		The Temporal Bone is another paired cranial bone which is difficult to describe due to its various features, and projections.
		The squamous portion assists in forming the Squamous Suture which separates the temporal bone from the adjacent and partially underlaying parietal bone.
		Above the mastoid process is the Supramastoid Crest to which the posterior portion of the temporal muscle is attached.
	www.csuchico.edu /anth/Module/temporal.html (322 words)

	Temporal Bone and Ear Anatomy - Kevin Kavanagh MD
		Histology sections from both the right and left temporal bone are available.
		They are the Malleus (attaches to the Ear Drum), Incus (transmits sound between the Malleus and Stapes), and stapes which transmits sound to the Vestibule of the inner ear.
		* Anson B.J. and Donaldson, J.A. Surgical Anatomy of The Temporal Bone and Ear.
	www.ear-anatomy.com /home_page_html.htm (713 words)

	Mary Rasmussen - CV - Virtual Temporal Bone 1
		Theodore Mason, a resident in Otolaryngology-Head and Neck Surgery, came to us born out of his frustration in trying to learn the complex 3-dimensional anatomy of the human temporal bone using traditional methods.
		We developed a virtual temporal bone, including the complex structures of the middle and inner ear -- the delicate organs of hearing and balance.
		The Virtual Temporal Bone application was honored with the Frank Netter Award for Significant Contributions to Medical Education in 1998 and demonstrated at the Internet2 and Supercomputing 98 conferences.
	www.uic.edu /ahs/sbhis/vrml/mary/main/vtb1.htm (130 words)

	Temporal Bone and Ear Anatomy - Kevin Kavanagh MD
		Temporal Bone and Ear Anatomy - Kevin Kavanagh MD Google Ads are a
		Temporal Bone And Ear Anatomy: The web pages contained in this section present 60 temporal bone anatomy slides.
		If you have a dial-up modem, you will have to wait 4 to 8 minutes for the 1.5 Mbytes presentation to fully load.
	www.ear-anatomy.com (161 words)

	Computerized Temporal Bone Specimen Database
		It is a valuable resource for researchers studying hearing and balance problems in their search for relevant specimens.
		Combined with new techniques of cellular and molecular biology, such as antigen retrieval and DNA extraction from processed temporal bones, this database enhances the research value of the U.S. temporal bone collections.
		The database catalogues all known processed human temporal bones and related brain tissue specimens in the United States, and the data associated with these specimens by clinical and histopathologic diagnoses.
	www.tbregistry.org /body/database.htm (347 words)

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