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Topic: Thyrohyoid muscle

	CHAPTER 50: THE NECK
		The meningeal branches, the superior root of the ansa cervicalis, the nerve to the thyrohyoid muscle, and the branch to the geniohyoid muscle consist of cervical fibers.
		The cupola and apex of the lung occupy the pyramidal interval between the scalene muscles and the longus colli and are posterior to the subclavian vessels and anterior scalene.
		The infrahyoid muscles are innervated mainly by the ansa cervicalis.
	www.dartmouth.edu /~humananatomy/part_8/chapter_50.html (9365 words)

	IV. Myology. 5c. The Supra- and Infrahyoid Muscles. Gray, Henry. 1918. Anatomy of the Human Body.
		The Sternohyoideus (Sternohyoid muscle) is a thin, narrow muscle, which arises from the posterior surface of the medial end of the clavicle, the posterior sternoclavicular ligament, and the upper and posterior part of the manubrium sterni.
		Below, this muscle is separated from its fellow by a considerable interval; but the two muscles come into contact with one another in the middle of their course, and from this upward, lie side by side.
		The central tendon of this muscle varies much in length and form, and is held in position by a process of the deep cervical fascia, which sheaths it, and is prolonged down to be attached to the clavicle and first rib; it is by this means that the angular form of the muscle is maintained.
	www.bartleby.com /107/112.html (1384 words)

	Physiology of adult Homo sapiens - Musculoskeletal apparatus and movements (Site not responding. Last check: 2007-10-10)
		appendicular muscles : the muscles of a limb
		epimeric muscle : a muscle derived from an epimere and innervated by a posterior ramus of a spinal nerve
		hypomeric muscle : a muscle derived from a hypomere and innervated by an anterior ramus of a spinal nerve.
	focosi.altervista.org /muscles.html (15907 words)

	Physician Assistant Gross Anatomy
		Brachialis muscle — arises from the anterior surface of the humerus, from the entire surface of the medial intermuscular septum and from the anterior surface of the lateral intermuscular septum; inserts on the tuberosity of the ulna; supplied by the musculocutaneous nerve and the radial nerve
		Flexor hallucis longus muscle — arises from the posterior surface of the fibula
		Tibialis posterior muscle — arises from the posterior surface of the face of the tibia, from the medial surface of the fibula and the posterior surface of the interosseous membrane
	medinfo.ufl.edu /pa/anatomy/hitlist2.html (9294 words)

	Infrahyoid - Wikipedia, the free encyclopedia
		The infrahyoid muscles are a group of four pairs of muscles in the anterior part of the neck, namely the sternothyroid, sternohyoid, thyrohyoid and omohyoid muscles.
		All of the infrahyoid muscles are innervated by the ansa cervicalis from the cervical plexus(C1-3) EXCEPT for the thyrohyoid muscle, which is innervated by only C1.
		The stylopharyngeus muscle is considered by many to be one of the strap muscles but it is innervated by CN9 rather than the ansa cervicalis.
	en.wikipedia.org /wiki/Infrahyoid (214 words)

	ab_disorders_supersite\|Glossary Of Terms\|T - Z
		Thyrohyoid membrane: Membrane extending from the hyoid bone to the thyroid cartilage.
		Thyrohyoid muscle: Extrinsic muscle of the larynx that pulls the larynx upward.
		Treacher Collins syndrome: An inherited disorder that is characterized by excessive muscle tone in the face and jaw.
	wps.ablongman.com /ab_disorders_supersite/0,6776,59912-,00.html (2186 words)

	Biomechanics: Protection (Site not responding. Last check: 2007-10-10)
		Vertical shortening of the laryngeal entrance by the approximation of the hyoid bone to the thyroid cartilage.
		This action, which is due to the contraction of the thyrohyoid muscle, diminishes the vertical dimension of the aryepiglottic and vestibular folds.
		Simultaneous anterior pull on the thyroid cartilage is provided by the sternothyroid and the thyrohyoid muscles, which results in a widened anteroposterior diameter of the hypopharynx (cricopharyngeal muscle help by relaxing), thus allowing a smooth passage of the bolus into the esophagus.
	sprojects.mmi.mcgill.ca /larynx/notes/biom/nbprot.htm (351 words)

	Laryngeal pacemaker - Patent 5111814
		Laryngeal pacemaker according to claim 31 wherein the STRAP muscle is one of an omohyoid, a sternohyoid, a thyrohyoid, or a sternothyroid.
		The lateral cricoarytenoid muscle originates in the upper border of the side of the cricoid cartilage, passes obliquely upward and backward, and is inserted into the muscular process of the arytenoid cartilage.
		The reconstructive muscle flap is preferably a one of the so-called "STRAP" muscles, comprising an omohyoid muscle, a sternohyoid muscle, a thyrohyoid muscle or sternothyroid muscle.
	www.freepatentsonline.com /5111814.html (3615 words)

	Hypoglossal nerve
		Hypoglossal nerve arise from the hypoglossal nucleus[?] and emerges from the medulla and passes through the hypoglossal canal[?].
		It supplies motor fibres to all of the muscles of the tongue[?] (except palatoglossus muscle[?]).
		Aside from the tongue, the hypoglossal nerve also controls, via the ansa cervicalis[?], thyrohyoid muscle[?], omohyoid muscle[?], sternothyroid muscle[?] and sternohyoid muscle[?].
	www.ebroadcast.com.au /lookup/encyclopedia/hy/Hypoglossal_nerve.html (55 words)

	Human Anatomy - Lab 25 Step 10 (Site not responding. Last check: 2007-10-10)
		Cut through the superior belly of the omohyoid muscle near its attachment to the hyoid bone and reflect it inferiorly.
		Cut the thyrohyoid muscle and reflect it inferiorly.
		Be careful not to cut the facial artery that passes in a groove on the surface of the submandibular.
	ect.downstate.edu /courseware/haonline/labs/l25/100105.htm (80 words)

	The Harry M. Zweig Memorial Fund for Equine Research - Currently Funded Projects
		In a recent study, we noted that one throat muscle's function (the thyrohyoid muscle) decreased immediately before naturally occurring palate displacement in one horse.
		In the same study, we were able to correct palate displacement through a surgical procedure that restored the cut thyrohyoid muscle's function.
		It now appears that palate displacement is due to inadequate control by muscles in the throatlatch area, so an abnormal position and tension between the palate and larynx results, but neither the palate nor larynx (voice box) is at fault.
	web.vet.cornell.edu /public/research/zweig/ducharmewoodie02.html (825 words)

	Results
		With this model in place, we plan to focus on a treatment that restores function to this muscle in the hope that a way to treat the condition may be found that gives a better success rate than current methods.
		In a follow-up study, we were able to reproduce palate displacement in horses by transecting four muscles in the throatlatch area (including the muscle first identified with decreased function before displacement).
		Once we identified which muscle(s) was responsible for displacement, we would have a model to use in logically developing a rational treatment for this frustrating disease.
	www.scef-inc.com /duchame.html (1816 words)

	Human Anatomy - Lab 25 Step 3 (Site not responding. Last check: 2007-10-10)
		The lateral, boundary is the superior belly of omohyoid muscle.
		The inferior, boundary is the lower anterior portion of the sternocleidomastoid muscle.
		These strap muscles are named for their attachments and are all innervated by branches of the ansa cervicalis which arises
	ect.downstate.edu /courseware/haonline/labs/l25/030100.htm (73 words)

	The Voice & Swallowing Center
		These muscles have their origin along the mental spine, hyoid bone, styloid process and soft palate, respectively, and insert either into the hyoid bone or into the other extrinsic or intrinsic tongue muscles.
		The primary action of the intrinsic muscles are to produce changes in the shape of the tongue during articulation and deglutition.
		This anterior movement of the larynx combined with the contraction of the middle and inferior constrictor muscles strips the food bolus inferiorly, ushering in the final portion of the pharyngeal phase which is entry of the food bolus into the cervical esophagus.
	www.voiceandswallowing.com /swall_norm.htm (3061 words)

	UH head and neck (Site not responding. Last check: 2007-10-10)
		Note that the subclavian vein passes anterior to the anterior scalene muscle, and that the apex of the parietal pleura is close to the vein.
		Reflect the coronoid process with the temporalis muscle still attached to it and peel the inferior aspect of the temporalis from the cranium, reflecting it upwards, so that it is out of the way of the remainder of the dissection.
		Identify the lingual artery at the anterior and posterior edges of this muscle and note that the rest of the artery is hidden from view because it passes medial to the hyoglossus muscle.
	www2.hawaii.edu /~rosenhei/head.html (11980 words)

	Laryngeal elevation achieved by neuromuscular stimulation at rest -- Burnett et al. 94 (1): 128 -- Journal of Applied ...
		Stimulated muscle pairs are bilateral mylohyoid, bilateral thyrohyoid, and the combination of mylohyoid and thyrohyoid muscles on the same side.
		Single data are the mean movements produced by the stimulation of those same muscles in each participant (left and right mylohyoid, left and right thyrohyoid, and ipsilateral mylohyoid and thyrohyoid).
		Stimulation in the regions of the mylohyoid, geniohyoid, or thyrohyoid muscles with the use of a monopolar hooked-wire electrode
	jap.physiology.org /cgi/content/full/94/1/128 (3867 words)

	Anterior Triangle of the Neck
		The mylohyoid muscle (mh) arise from the body of the hyoid bone and insert into the mylohyoid line of the inside of the mandible.
		The muscles, at this level, are the middle and lower pharyngeal constrictors (mpc and ipc).
		When the strap muscles are reflected, you are able to see the thyroid gland (tg) with its arteries (superior thyroid artery from the external carotid (sta) and the inferior thyroid artery from the thyrohyoid trunk from the subclavian (ita).
	mywebpages.comcast.net /wnor/lesson5.htm (1576 words)

	Gross Anatomy Practical 2 - Study Guide (Site not responding. Last check: 2007-10-10)
		thyrohyoid which is innervated by the nerve to the thyrohyoid which comes off of fibers from
		Zygomatic branch of the facial nerve: [innervates orbicularis occuli muscle]
		Temporal branch of the facial nerve: [innervates frontalis muscle]
	homepages.nyu.edu /~ll283/gp2.html (2823 words)

	Amazon.com: "thyrohyoid muscle": Key Phrase page (Site not responding. Last check: 2007-10-10)
		Innervation: The innervation is shared with the thyrohyoid muscle, namely the first cervical spinal nerve travelling with the hypoglossal nerve.
		outer protective structure called the thyroid cartilage, which is directly hung, or suspended, from both the hyoid bone (by the thyrohyoid muscle) and from the styloid process (by the muscle stylopharyngeus).
		where it innervates the thyrohyoid muscle, and the extrinsic and intrinsic muscles of the ipsilateral side of the tongue.
	www.amazon.com /phrase/thyrohyoid-muscle (528 words)

	GROSS ANATOMY FINAL EXAM
		Muscles of the thigh which have dual innervation are:
		the vertebral artery is medial to the muscle
		medial to the tendon of the biceps brachii muscle
	medschool.slu.edu /ms2001/Af95.html (2499 words)

	Behaviors of hypoglossal hyoid motoneurons in laryngeal and vestibular reflexes and in deglutition and emesis -- ...
		The TH muscle nerve was dissected near the hyoid bone; the GH muscle nerve was dissected beneath the mylohyoid muscle as a branch
		of coactivation of phrenic and abdominal muscle nerve discharge
		The GH and TH muscles connect the hyoid bone to, respectively, the mandible and the thyroid cartilage, a main component of
	ajpregu.physiology.org /cgi/content/full/274/4/R950 (3417 words)

	corrections in 2001 dentaldecks-need help - Student Doctor Network Forums
		On the back of the card, the third paragraph(The Infrahyoid Muscles...), the second sentence reads All of them are innervated by the ansa cervicalis, which is a loop formed by branches of the cervical plexus (C1, C2, and C3).
		Correction: All of them except the thyrohyoid muscle are innervated by the ansa cervicalis, which is a loop formed by branches of the cervical plexus (C1, C2, C3,).
		Clarification: Muscle spindles are found within the belly of muscles and run parallel with the main muscle fibers.
	forums.studentdoctor.net /showthread.php?t=107978 (1634 words)

	[No title]
		In the neck, the ____phrenic nerve_________ lies superficial to the anterior scalene muscle and deep to the suprascapular and transverse cervical arteries and veins.
		The buccinator muscle lies deep to the zygomaticus major muscle and attaches to the pterygomandibular raphe.
		The mylohyoid muscle attaches to the genial tubercles on the mandible.
	www.uhmc.sunysb.edu /anatomy/HBA521oldexams/dexam399.doc (2096 words)

	Horse Racing Forum - PaceAdvantage.Com - Message Board - CORNELL COLLAR
		Recently, however, Norm G. Ducharme, DVM, MSc, Dipl ACVS and his colleagues at Cornell have made an interesting series of discoveries: First, they have isolated a muscle (the thyrohyoid) that is responsible for causing DDSP and can now reliably reproduce and surgically repair palate displacement by cutting and repairing the thyrohyoid muscle.
		Surgery to remove a small section of the tongue (staphylectomy) seems to help about 60 percent of the time; cutting the strap muscles on the lower side of the neck (sternothyroid muscle resection) to prevent the voice box from slipping back and away from the palate also helps about 60 percent of the time.
		Thus it was a major step forward when Ducharme and his colleagues found that the thyrohyoid muscle (one of the four muscles in the throatlatch area) was critical in controlling the tension and position between the palate and voice box.
	www.paceadvantage.com /forum/showthread.php?t=21958 (885 words)

	Larynx Part I - Text Only Page
		Also shown are parts of the sternal and clavicular portions of the pectoralis major muscle.
		The anterior belly of the digastric is shown on the left.
		Part of thyroarytenoid muscle and most of vocal ligament can be seen in relation to vocal process of arytenoid cartilage.
	zemlin.shs.uiuc.edu /LarynxPages/Text_Only_LarynxI.html (748 words)

	Anatomy: Muscles: Infrahyoids (Site not responding. Last check: 2007-10-10)
		This subgroup includes the omohyoid, sternohyoid, sternothyroid, thyrohyoid muscles.
		With the exception of the thyrohyoid muscle, which elevates the larynx, the infrahyoids are depressor muscles of the larynx.
		In other words they displace the larynx downward during such actions as inspiration (see physiology and biomechanics), specific singing techniques etc.
	sprojects.mmi.mcgill.ca /larynx/notes/anat/namusc5.htm (49 words)

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