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Topic: Hyoid

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	New Page 2 (Site not responding. Last check: 2007-11-06)
		The hyoid bone is divided in the midline (hyoid distraction).
		Following the division of the hyoid bone, the polypropylene suture is passed around both sides of the divided edges in a figure-8 configuration (Fig 4).
		The hyoid is divided in the midline, the loop suture is passed around the hyoid in a figure-of-eight fashion.
	www.influ-ent.com /KrespiHyoid.htm (3396 words)

	Hyoid bone - Wikipedia, the free encyclopedia
		The hyoid bone is shaped like a horseshoe, and is suspended from the tips of the styloid processes of the temporal bones by the stylohyoid ligaments.
		The hyoid is ossified from six centers: two for the body, and one for each cornu.
		In cases of suspicious death, however, a fractured hyoid is a strong sign of strangulation.
	en.wikipedia.org /wiki/Hyoid (779 words)

	Mandibulohyoid Distance in Difficult Laryngoscopy
		The vertical distance between the mandible and the hyoid bone (mandibulohyoid distance) was measured and the positions of the mandibular angle and hyoid bone determined in relation to the cervical vertebrae.
		The mandibulohyoid distance, defined as the vertical distance between the mandible and the hyoid bone, was measured from the upper margin of the hyoid bone vertically upward to the lower margin of the mandible.
		The position of the hyoid bone (H) was determined by drawing a horizontal line (- - -) from the upper margin of the hyoid bone to the adjacent cervical spine.
	www.achi.com /support/articles/mhdist.htm (2218 words)

	Forensic significance of the polymorphism of hyoid bone shape
		The hyoid bones were extensively polymorphic in both dimensions studied, the span or breadth, and the length of the cornua.
		Hyperbolic hyoid bones could be distinguished from hyoid bones with a parabolic configuration on the basis of the metric data although there was considerable overlap in the dimensions of hyoid bones of both configurations.
		The metric features of the fractured hyoid bones were attributable to the predominance of females in the group of fractured hyoid bones studied, an observation that is anticipated because the majority of strangulations involve female decedents.
	www.astm.org /JOURNALS/FORENSIC/PAGES/2866.htm (336 words)

	Laryngotracheal reconstruction with a muscle-pedicle hyoid bone flap: a series of 23 patients Ear, Nose & Throat ... (Site not responding. Last check: 2007-11-06)
		We conducted a study to evaluate the effectiveness of muscle-pedicle hyoid bone flaps in the repair and reconstruction of the larynx and trachea in 23 patients who had undergone extended partial laryngectomy.
		Hyoid bone with a muscle pedicle was then used to create a bulge where the arytenoid cartilage had been.
		The part of the hyoid bone that faced the lumen was covered with mucosa obtained from the pyriform sinus.
	www.findarticles.com /p/articles/mi_m0BUM/is_6_83/ai_n6112812 (928 words)

	The Location of Hyoid Fractures in Strangulation Revealed by Xeroradiography
		These results indicate that fractures of the hyoid occur at vulnerable angles of curvature of the hyoid bone which, due to anatomic variation in hyoid shape, do not necessarily occur at specific segments of the hyoid bone.
		On this basis, although the presence of the hyoid fracture in strangulation is determined by the rigidity of the bone, the specific location is determined by the shape of the greater cornu.
		The location of 19 fractures of 15 hyoid bones was studied from 13 cases of manual strangulation and two cases of hanging.
	www.astm.org /JOURNALS/FORENSIC/PAGES/213.htm (395 words)

	The Evolution of the Woodpecker's Tongue
		The primary connections between the woodpecker's hyoid apparatus and the rest of its body are muscles and ligaments which attach the hyoid to the mandible (jawbone), cartilage of the throat, and base (not top) of the skull - the same configuration found in all other birds.
		Attachments of Mbm to hyoid horns and mandible (jawbone) are shown in purple.
		It is only with age that the hyoid horns of the flicker grow up to the top of the head, forward, and into the nasal cavity, where the sheath fuses to the nasal membrane.
	www.talkorigins.org /faqs/woodpecker/woodpecker.html (2659 words)

	Medical College of Wisconsin - Hyoid Myotomy Surgery
		Most hyoid advancement techniques are partially reversible and may not involve removing tissue.
		During hyoid myotomy, the hyoid bone is exposed in the neck.
		Fascia lata (band of fibrous tissue) suture or other strong materials are used to pull the hyoid bone forward to the mandible (hyomandibular suspension).
	www.mcw.edu /display/router.asp?docid=2494 (227 words)

	eMedicine - Radiological Patterns of Mucosal Spread of Squamous Cell Carcinoma of the Larynx : Article by Charles Lee, ... (Site not responding. Last check: 2007-11-06)
		From the hyoid to the cricoid, the laryngeal airway and the upper digestive tract coexist; the joint structure is referred to as the aerodigestive tract, with the airway located anterior to the hypopharynx/digestive system.
		The superiormost portion of the larynx at its anterior wall is related to the tongue and the FOM at the hyoid bone.
		From the level of the hyoid down to the cricoid, the larynx is anterior and the hypopharynx is posterior.
	www.emedicine.com /ent/topic716.htm (4598 words)

	Neck muscles
		It assists the mylohyoid and geniohyoid muscles in moving the hyoid bone and the tongue upward and forward and then upward and backward during the process of swallowing.
		It originates from the side of the wishbone-shaped hyoid bone in the throat and passes vertically to be inserted inside of the tongue.
		It raises the hyoid bone and the base of the tongue and is used when swallowing.
	www.american.edu /adonahue/m7neck.htm (1499 words)

	CHAPTER 42: THE SKULL AND HYOID BONE
		The skeleton of the head and neck consists of the skull and hyoid bone and the cervical vertebrae (which have already been described).
		It may be used to palpate the position of the fetal head, to estimate abnormal intracranial pressure in infancy, to assess cranial development, and to obtain blood from the superior sagittal sinus.
		The hyoid bone lies in the front of the neck at the upper limit of the larynx.
	www.dartmouth.edu /~humananatomy/part_8/chapter_42.html (6737 words)

	June Issue.indd
		The hyoid bone would appear to provide a readily identifiable (radiographic) anatomic landmark, whose position is the result of a multifactorial postural system, which is closely aligned with maintaining respiratory function.
		In the first instance, the relationships existing between AHI and the measurements pertaining to the position of the hyoid bone (H) relative to the third cervical vertebra and to the anterior cranial base (S) were analysed to determine the Spearman’s correlation coefficients.
		These results suggest that the inter-subject variability in hyoid bone position as related to the point S on the anterior cranial base, which one might attribute to postural differences and to expected differences in craniofacial dimensions (size), may be less significant than expected.
	www.rcsed.ac.uk /journal/svol2_3/2030004.html (2866 words)

	Chapter 11: The Muscular System
		One belly extends from the chin to the hyoid bone, and the other continues from the hyoid bone to the mastoid portion of the temporal bone.
		Depending on which belly contracts and whether fixator muscles are stabilizing the position of the hyoid bone, the digastric muscle can open the mouth by depressing the mandible, or it can elevate the larynx by raising the hyoid bone.
		The other members of this group are straplike muscles that extend between the sternum and larynx (sternothyroid) or hyoid bone (sternohyoid), between the larynx and hyoid bone (thyrohyoid), and between the hyoid bone and chin (geniohyoid).
	cwx.prenhall.com /bookbind/pubbooks/martinidemo/chapter11/medialib/CH11/html/ch11_4_1.html (1155 words)

	Tongue Suspension and Hyoid Suspension (Site not responding. Last check: 2007-11-06)
		We introduce the technique of tongue base suspension and hyoid suspension / myotomy as an adjunctive procedure to relieve or ameliorate OSA resulting from a tongue base obstruction and hypopharyngeal collapse.
		Electrocautery is used to detach the infrahyoid muscles from the body of the hyoid bone between the lesser cornuae.
		The polypropylene suture is passed around both sides of the hyoid bone in a figure of eight configuration.
	www.influ-ent.com /KrespiAbstract.htm (3157 words)

	Functional Morphology and Developmental Biology of Zebrafish: Reciprocal Illumination from an Unlikely Couple -- ...
		The arrowhead in B marks the posterior angle of Meckel's cartilage, indicating that the hyoid is extremely protracted.
		Hyoid depression was measured as the distance between the bottom of the eye and the ventral-most point of the hyoid, thus increasing values indicate increasing hyoid depression.
		Ontogeny of the hyoid musculature in the African catfish, Clarias gariepinus (Burchell, 1822) (Siluroidei: Clariidae).
	icb.oxfordjournals.org /cgi/content/full/42/2/222 (4935 words)

	Ask an Expert: Pain in area of hyoid bone left side
		He believes that the hyoid bone is scraping against the trachea and throat structures when I swallow or move and this is causing my pain.
		The hyoid bone is located at the base of the tongue, has multiple muscles attached to it, and stabilizes the tongue and throat during swallowing.
		Pain in the area of the hyoid may be caused by the attached muscles, the styloid bone, the carotid artery, the tongue, etc. Most of these would likely be due to an inflammatory process most likely treatable by a course of a strong non-steroidal anti-inflammatory drug.
	www.netwellness.org /question.cfm/30911.htm (1158 words)

	Hyoid Suspension - Surgical Treatment of Obstructive Sleep Apnea
		The Hyoid Suspension is a procedure which was developed specifically for the treatment of Obstructive Sleep Apnea.
		The procedure is done through a small horizontal incision in a convenient skin crease in the upper neck and takes under an hour to perform.
		By detaching two tendons on the upper surface of the hyoid bone and some of the muscle on the lower surface, the hyoid can be advanced over the thyroid cartilage and secured in position.
	www.osasurgery.com /hyoid.htm (160 words)

	Anybody had Hyoid Suspension?
		Hyoid suspension is even less effective than UPPP (and that is saying something).
		CONCLUSIONS: Hyoid suspension is effective only in a subgroup of patients and does not lead to relevant changes in airway diameters in the awake patient.
		Moreover, the thyroid cartilage seems to be too weak for fixation of the hyoid with its complex muscular attachments.
	www.apneasupport.org /viewtopic.php?p=38420 (756 words)

	Cephalometric Analysis in Obese and Nonobese Patients With Obstructive Sleep Apnea Syndrome -- Yu et al. 124 (1): 212 ...
		hyoid bone and a longer tongue were found in the obese patients.
		of the bony oropharynx and inferior displacement of the hyoid
		The inferior and anterior displacement of the hyoid
	www.chestjournal.org /cgi/content/full/124/1/212 (3563 words)

	Muscle activation and strain during suction feeding in the largemouth bass Micropterus salmoides -- Carroll 207 (6): ...
		Thick ligaments connect the urohyal to the hyoid structure, so that the primary action of the sternohyoideus is to rotate the hyoid about its articulation on the suspensioria, depressing the buccal floor away from the neurocranium and expanding the buccal cavity.
		Ventral rotation of the hyoid results in depression of the lower jaw through a linkage between the proximal ends of the hyoid and the mandible.
		For this figure the hyoid, lower jaw and upper jaw were sectioned, and the gills and part of the suspensoria were removed to expose the sternohyoideus.
	jeb.biologists.org /cgi/content/full/207/6/983 (4893 words)

	An essential role for Fgfs in endodermal pouch formation influences later craniofacial skeletal patterning -- Crump et ...
		As shown for wild type (E), M and PQ cartilages are derived from the mandibular, or first, arch; CH and HS are hyoid, or second, arch cartilages, and CB1-5 cartilages are formed from the five most posterior branchial arches.
		As shown for wild type (A), M and PQ are mandibular (1) cartilages, CH and HS are hyoid (2) cartilages, and CB1-5 cartilages are formed from the five most posterior branchial arches (3-7).
		the pharyngeal endoderm for the survival of hyoid and branchial
	dev.biologists.org /cgi/content/full/131/22/5703 (8999 words)

	Hyoid Bone
		The hyoid is closely associated with the skull but is not strictly a part of it.
		It anchors muscles, especially those of the tongue, and is the only bone in the body which is not linked to another.
		The blood vessels into and out of the hyoid bone are small branches of the external carotid artery, and are called "superior thyroid arteries" and "superior thyroid veins."
	www.innerbody.com /text/skel11.html (77 words)

	Chapter Hydrus <i>to</i> Hyoscyamine of H by Webster's Dictionary (1913 Edition)
		A prexif used in anatomy, and generally denoting connection with the hyoid bone or arch; as, hyoglossal, hyomandibular, hyomental, etc.
		Pertaining both to the hyoidean arch and the mandible or lower jaw; as, the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes.
		Between the hyoid bone and the lower jaw, pertaining to them; suprahyoid; submaxillary; as, the hyomental region of the front of the neck.
	www.bibliomania.com /2/3/257/1199/22936/6.html (339 words)

	Hyoid bone
		However, the examination did show the victim was not strangled because the hyoid bone in the neck was still intact.
		The hyoid bone (Os Hyoideum; "Lingual Bone") is a bone in the human neck, not articulated to any other bone; it is supported by the muscles of the neck and in turn supports the root of the tongue.
		It consists of five segments, viz., a body, two greater cornua, and two lesser cornua.
	publicliterature.org /en/wikipedia/h/hy/hyoid_bone.html (387 words)

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