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C1-C3. The ansa cervicalis has two roots - a superior root (formed by branch of C1) and an inferior root (formed by union of branches of C2 and C3) - that unite distally, forming a loop. It is situated within the
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before descending to unite with the superior root upon the (inferior portion of) the internal jugular vein. It may occasionally pass anterior in between the internal jugular vein and the
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Ansa cervicalis. Superior root labeled as "descending hypoglossal," Inferior root labeled as "descending cervical."
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is the one infrahyoid muscle not innervated by the ansa cervicalis - it is instead innervated by
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issue from the loop of the ansa cervicalis, whereas the branch for the superior belly of the
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https://web.archive.org/web/20080304085514/http://www.med.mun.ca/anatomyts/nerve/cerplex.htm
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The ansa cervicalis is typically embedded within the anterior wall of the
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The right brachial plexus with its short branches, viewed from in front.
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Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2018).
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Branches of the ansa cervicalis innervate three of the four
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Gray's
Anatomy: The Anatomical Basis of Clinical Practice.
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Gray's
Anatomy: The Anatomical Basis of Clinical Practice
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Muscles, arteries and nerves of neck. Newborn dissection.
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at Human
Anatomy Online, SUNY Downstate Medical Center
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320:. It issues a branch to the superior belly of the
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374:The inferior root curves posteroanteriorly around
335:muscles before uniting with the inferior root.
613:(8th ed.). Wolters Kluwer. p. 1005.
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264:as well) that have joined and run with the
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591:: CS1 maint: location missing publisher (
351:) is formed by the union of fibers of the
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283:The superior root is situated within the
155:in older literature) is a loop formed by
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208:Its name means "handle of the neck" in
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536:(12th ed.). Elsevier Australia.
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345:inferior root of the ansa cervicalis
290:It passes anterior-ward between the
260:(and, according to some sources, of
248:superior root of the ansa cervicalis
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432:Cervical plexus shown in purple
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274:branching off the CN XII in the
131:Anatomical terms of neuroanatomy
18:Inferior root of ansa cervicalis
532:Sinnatamby, Chummy S. (2011).
413:arises from the superior root.
1:
444:Plan of the cervical plexus.
405:, and inferior belly of the
839:Nerves of the head and neck
611:Clinically Oriented Anatomy
563:(42nd ed.). New York.
327:and the upper parts of the
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365:that unite as part of the
278:to form the superior root.
266:hypoglossal nerve (CN XII)
557:Standring, Susan (2020).
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667:Anatomy figure: 25:03-08
377:the lateral side of the
268:for some distance before
385:internal carotid artery
307:internal carotid artery
292:internal carotid artery
262:cervical spinal nerve 2
256:cervical spinal nerve 1
199:cervical spinal nerve 1
193:muscles (note that the
356:spinal cervical nerves
254:) is by fibres of the
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165:cervical spinal nerves
163:formed by branches of
673:Photo and description
379:internal jugular vein
349:descendens cervicalis
311:common carotid artery
301:It curves around the
296:common carotid artery
252:descendens hypoglossi
241:
226:internal jugular vein
399:sternothyroid muscle
250:(formerly known as
64:sternothyroid muscle
27:From cervical plexus
767:Transverse cervical
632:"Ansa cervicalis."
347:(formerly known as
403:sternohyoid muscle
244:
179:infrahyoid muscles
59:Sternohyoid muscle
826:
825:
762:Greater auricular
620:978-1-4963-4721-3
570:978-0-7020-7707-4
543:978-0-7295-3752-0
419:Additional images
203:thyrohyoid branch
195:thyrohyoid muscle
157:muscular branches
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16:(Redirected from
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752:Lesser occipital
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677:Tufts University
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397:Branches to the
303:occipital artery
285:carotid triangle
276:carotid triangle
224:anterior to the
137:edit on Wikidata
86:ansa cervicalis,
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411:omohyoid muscle
407:omohyoid muscle
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367:cervical plexus
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322:omohyoid muscle
242:Ansa cervicalis
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201:via a separate
161:cervical plexus
153:ansa hypoglossi
149:ansa cervicalis
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88:ansa hypoglossi
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69:omohyoid muscle
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100:A14.2.02.013
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742:Superficial
333:sternohyoid
187:sternohyoid
75:Identifiers
579:1201341621
486:References
55:Innervates
684:Mnemonics
587:cite book
833:Category
649:(2005).
636:(2000).
393:Branches
309:and the
294:and the
191:omohyoid
818:Phrenic
733:of the
690:1042
682:Medical
316:on the
216:Anatomy
159:of the
50:Details
731:Nerves
653:
640:
617:
577:
567:
540:
189:, and
181:: the
814:C3–C5
792:C1–C3
773:C3–C4
758:C2–C3
210:Latin
135:[
124:55142
81:Latin
786:Deep
686:.com
651:ISBN
638:ISBN
615:ISBN
593:link
575:OCLC
565:ISBN
538:ISBN
343:The
331:and
246:The
151:(or
147:The
112:6376
95:TA98
675:at
205:).
119:FMA
107:TA2
835::
748:C2
688::
601:^
589:}}
585:{{
573:.
494:^
401:,
363:C3
359:C2
212:.
185:,
723:e
716:t
709:v
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361:-
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298:.
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228:.
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139:]
66:,
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20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
