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Topic: Ansa cervicalis

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	The Barrow Quarterly Article 18-2-1
		Initially superficial in relation with the ECA, the ICA proceeds superiorly and deep to pass medial to the internal jugular vein and digastric muscle.
		Anatomy of the carotid bifurcation at the anterior triangle of the neck as seen during carotid endarterectomy (left side).
		Below the digastric muscle at the level of the common carotid artery bifurcation, the ICA is crossed by the hypoglossal nerve, the ansa cervicalis, and the lingual and facial veins (Fig.
	www.emergemd.com /bniq2/article.asp?article_ref_id=18-2-1 (5691 words)

	Indmedica - Journal of the Anatomical Society of India (Site not responding. Last check: 2007-10-27)
		Ansa cervicalis is a loop of nerves in the neck formed by the junction of two main nerve roots derived from ventral rami of cervical nerves.
		Ansa was found to participate in the innervation of heart, to communicate with the trunk of the vagus and phrenic nerve and to participate in the innervation of the pericardium (Paviraev and Chernikov, 1967).
		Paviraev N.P. and Chernikov, Y.F. (1967): Anatomy of the ansa cervicalis.
	www.indmedica.com /anatomy/aindex1.cfm?anid=52 (1669 words)

	Ansa - Wikipedia, the free encyclopedia
		ANSA is the Alliance of Norwegian Students Abroad, with approximately 9000 members.
		In Hinduism, Ansa (Aṃśa) is a solar deity and one of the Adityas.
		In anatomy the word is applied to nervous structures which resemble loops (for example, the ansa lenticularis, ansa cervicalis, and ansa nephroni).
	en.wikipedia.org /wiki/Ansa (277 words)

	Vocal Cord Paralysis & Medialization
		Given that the arytenoid cartilage is mobile and the ansa cervicalis has not been disrupted, reinnervation with a nerve-muscle pedicle or recurrent laryngeal nerve – ansa cervicalis anastomosis should be considered.
		The ansa cervicalis is identified overlying the jugular vein and is traced to its insertion to the anterior belly of the omohyoid muscle.
		Ansa Cervicalis – Recurrent Laryngeal Anastomosis:The ansa cervicalis is exposed overlying the great vessels or within the carotid sheath.
	www.utmb.edu /otoref/Grnds/Vocal-cord-040428/Vocal-cord-040428.htm (8053 words)

	[No title]
		ansa cervica [L. ansa—handle] [N.A.] loop of the cervical plexus, formed by the union of the descendens hypoglossi, containing fibers from the Cl spinal nerve, and the descendens cervicalis, containing fibers from C2 and C3.
		ansa peduncularis [N.A.] fibers of the inferior thalamic peduncle and ansa lenticularis combined into one bundle which bends around the posterior limb of the internal capsule as it enters the midbrain.
		ansa subclavia [N.A.] loop of nerve fibers around the subclavian artery connecting the inferior and middle cervical sympathetic ganglia or sometimes the inferior ganglion and the recurrent nerve.
	mcb.berkeley.edu /courses/mcb160L/Handouts_2006/Glossary.doc (18142 words)

	ansa \| English \| Dictionary & Translation by Babylon
		ANSA is the Alliance of Norwegian Students Abroad, with approximately 9000 members: [1]
		In Hinduism, Ansa () is a solar deity and one of the Adityas.
		In anatomy the word is applied to nervous structures which resemble loops (for example, the ansa lenticularis and ansa cervicalis).
	www.babylon.com /definition/ansa/English (310 words)

	Ansa cervicalis - definition from Biology-Online.org
		fibres from C-1 spinal nerves accompany the hypoglossal nerve for a short distance, leaving it as the superior root of the ansa cervicalis.
		fibres from a loop between the C-2 and C-3 spinal nerves form the inferior root of the ansa cervicalis.
		Most commonly, the roots merge, forming the ansa cervicalis, which gives rise to branches innervating infrahyoid muscles, execpt for the thyrohyoid muscle which is innervated by C1 via the hypoglossal nerve(CN XII)and the the ansa cervicalis.
	www.biology-online.org /dictionary/Ansa_cervicalis (169 words)

	[No title]
		The GSE components of these nerves join to form the ansa cervicalis while sensory components include the lesser occipital (C2), great auricular (C2-3), transverse cervical (C2-3) and supraclavicular (C3-4) nerves.
		Know the names of the strap muscles (sternohyoid, sternothyroid, omohyoid, thyrohyoid), their approximate origins and insertions, their innervation (primarily from the ansa cervicalis) and their role in stabilizing and moving the laryngeal skeleton.
		The only one of these muscles not innervated by the ansa cervicalis is the thyrohyoid which is innervated by the hypoglossal nerve (C1).
	www.med.unc.edu /~kimplera/classes/anatomy/hn2.doc (1104 words)

	The Cervical Plexus (Site not responding. Last check: 2007-10-27)
		Fibres from C1 and C2 join to form the superior root of the ansa cervicalis.
		Fibres of C2 and C3 join to form the inferior root of the ansa cervicalis.
		The inferior loop of the ansa cervicalis lies anterior to the internal jugular vein and passes upwards to join the superior root.
	www.med.mun.ca /anatomyts/nerve/cerplex.htm (354 words)

	4. Cervical and Brachial plexuses (Site not responding. Last check: 2007-10-27)
		Communications with the Hypoglossal Nerve - Fibres from C1 are transported by the hypoglossal nerve to the muscles thyrohyoid and geniohyoid, and they also form the superior root of the ansa cervicalis.
		This superior root of the ansa cervicalis descends on the internal carotid artery and forms the ansa cervicalis with the inferior root (derived from C2 & C3) and this descends on the internal jugular vein.
		The ansa cervicalis supplies the infrahyoid muscles (omohyoid, sternohyoid, sternothyroid, thyrohyoid, and geniohyoid).
	d-mis-web.ana.bris.ac.uk /calnet/DeepNeck/page4.htm (726 words)

	[No title]
		Ansa cervicalis arises from ventral rami off the cervical spinal levels of Cl, C2, and C3.
		All four infrahyoid muscles (and the geniohyoid suprahyoid m) are innervated by the ansa cervicalis.
		The ansa cervicalis loop surrounds the carotid sheath.
	classes.kumc.edu /som/anat821/spring2005/V-Triangles_of_Neck_12-03.doc (3479 words)

	Denervation reinnervation surgery
		The cut stump of the nerve is pointed away from the vocal cord muscle and a different nerve (ANSA cervicalis) from another muscle in the neck is attached to the remaining nerve of the thyroarytenoid muscle.
		A nerve called the Ansa Cervicalis is located on each side of the neck.
		The ansa cervicalis nerve is now cut and then sutured to the remaining nerve into the thyroarytenoid muscle.
	www.voicedoctor.net /surgery/denervate.html (2220 words)

	UH head and neck
		The ansa cervicalis is the motor part of the cervical plexus and innervates primarily the infrahyoid muscle group.
		The inferior limb of the loop or ansa is formed by branches of the second and third cervical nerves.
		Despite the close association of the ansa cervicalis with the hypoglossal nerve, all of its nerve fibers are considered to derive from the upper three cervical nerves and not the hypoglossal nerve.
	www2.hawaii.edu /~rosenhei/head.html (11980 words)

	Ansa cervicalis - Wikipedia, the free encyclopedia
		Superior root labeled as "descending hypoglossal", Inferior root labeled as "descending cervical".
		The superior root of the ansa cervicalis is formed by a branch of spinal nerve C1.
		These nerve fibers travel in the hypoglossal nerve before leaving to form the superior root.
	en.wikipedia.org /wiki/Ansa_cervicalis (198 words)

	Carotid, Submandibular and Submental Triangles of the Neck
		The nerve to the omohyoid is often clearly seen in the cervical fascia, which is translucent.
		superior and inferior roots of the ansa cervicalis are also known as the anterior and posterior roots
		exits the posterior cranial fossa by passing through the hypoglossal canal; the superior root of the ansa cervicalis travels with the hypoglossal n.
	anatomy.uams.edu /anatomyhtml/anteriortriangle.html (3719 words)

	S A R A P I N
		The nerve supply for both the bellies of the omohyoideus muscle is derived from ansa cervicalis (C1-2-3, and sometimes C-4).
		In the fetus, the omohyoideus muscle is longitudinal and starp-like (as is the rest of the infrahyoid musculature), but it moves with clavicle and scapula as they grow, taking on its unusual character.
		Because there is a great cross-over of the nerve supply for the muscle (the ansa cervicalis), there can also be referred pain in similarly innervated structures.
	www.sarapin.com /myofascial.html (3515 words)

	Human Anatomy - Lab 25 Step 8 (Site not responding. Last check: 2007-10-27)
		The Hypoglossal Nerve (CN XII) and the Ansa Cervicalis
		The inferior root of the ansa cervicalis (descendens cervicalis) is composed of fibers of the second and third cervical spinal nerves.
		Dissect out the entire ansa cervicalis [probe indicates superior root; forceps hold inferior root; different specimen], identify both roots, and trace its branches to the infrahyoid muscles.
	ect.downstate.edu /courseware/haonline/labs/l25/080200.htm (83 words)

	Amazon.com: "ansa cervicalis": Key Phrase page (Site not responding. Last check: 2007-10-27)
		Nerve supply: a branch of the ansa cervicalis (q.v.).
		It then gives off the superior root of the ansa cervicalis (the descendens hypoglossi of the ansa hypoglossi)...
		The deep cervical chain of lymph nodes, the cervical plexus, the ansa cervicalis, the upper part of the brachial plexus, and the phrenic nerve are also located beneath the muscle.
	amazon.com /phrase/ansa-cervicalis (309 words)

	ICP monitors
		This includes a small meningeal branch which enters the posterior fossa through the hypoglossal canal and supplies a small portion of dura near the foramen magnum.
		• The descendens hypoglossi travels caudally as XII curves toward the tongue, and is joined at a variable level by a branch from C2-C3 (descendens cervicalis).
		Together these form a loop called the ansa cervicalis which lies on the internal jugular vein.
	www.ucsf.edu /nreview/02.2-Anatomy-CranialNerves/CN12-hypoglossal.html (579 words)

	Arch Otolaryngol Head Neck Surg -- Abstract: The effects of selective nerve stimulation on upper airway airflow ...
		nerve branches and ansa cervicalis nerve branches on upper airway patency.
		stimulation of hypoglossal nerve branches and ansa cervicalis nerve
		hypoglossal and ansa cervicalis nerve branches consistently increased
	archotol.ama-assn.org /cgi/content/abstract/121/12/1361 (304 words)

	Photo Contest (Site not responding. Last check: 2007-10-27)
		1 is superior root of the ansa cervicalis originate from C-1 and C-2 spinal nerves
		3 is inferior root of the ansa cervicalis originate from C-2 and C-3 spinal nerves
		This is the ansa cervicalis muscular branches :
	www.medicaleducationonline.org /smf/index.php?topic=1146.15 (677 words)

	Arch Otolaryngol Head Neck Surg -- Abstract: Selective laryngeal reinnervation with separate phrenic and ansa ...
		Arch Otolaryngol Head Neck Surg -- Abstract: Selective laryngeal reinnervation with separate phrenic and ansa cervicalis nerve transfers, April 1997, van Lith-Bijl et al.
		Selective laryngeal reinnervation with separate phrenic and ansa cervicalis nerve transfers
		The sternohyoid branch of the ansa cervicalis was anastomosed to
	archotol.ama-assn.org /cgi/content/abstract/123/4/406 (250 words)

	[No title]
		root of ansa cervicalis; lesser occipital; great auricular; transverse cervical; brs.
		root of ansa cervicalis; great auricular; transverse cervical; supraclaviculars; phrenic; brs.
		C1 fibers from superior root of ansa cervicalis
	www.deardr.com /USMLE/nerves.htm (3390 words)

	Treatment of Unilateral Adductor Vocal Cord Paralysis
		In the past few decades, there has been a surge of interest in reinnervation surgery as a therapy for unilateral vocal cord paralysis. Given that the arytenoid cartilage is mobile and the ansa cervicalis has not been disrupted, reinnervation with a nerve-muscle pedicle or recurrent laryngeal nerve – ansa cervicalis anastomosis should be considered.
		If there is any fixation of the arytenoid cartilages, a nerve anastomosis should not be used. This procedure cannot be performed on a patient who has had disruption of the ansa cervicalis, either by surgery, trauma, or neurological process.
		When comparing the two methods of reinnervation, it is currently unclear which procedure produces the best results. Preliminary work by Hall et al.
	www.utmb.edu /otoref/Grnds/VC-paralysis-001108/VC-paralysis-001108.htm (2459 words)

	Shoulder2 (Site not responding. Last check: 2007-10-27)
		Ansa cervicalis - Lt. Ansa a loop and cervicalis the neck, a nervous loop around the common carotid artery.
		Anterior - Lt. comparative of Ante before, referring to the front part of a body or anatomical structure.
		Tri three + Caput head + Brachion arm.
	www.glaciermedicaled.com /Shoulder/02terms.html (640 words)

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