Thyrohyoid branch

The thyrohyoid branch[1] (also: thyrohyoid branch of ansa cervicalis,[2] or nerve to thyrohyoid (muscle)[2][3]: 595, 600 ) is a motor branch derived from the cervical plexus[2][2][3]: 595, 600 [4]: 457, 709  formed by fibres of (the anterior ramus of[3]: 600 ) the cervical spinal nerve 1 (C1)[3]: 582 [5][6][4]: 457, 709  (and - according to some sources - cervical spinal nerve 2 (C2) as well[2][4]: 457, 709 ) that join and travel with the hypoglossal nerve (cranial nerve XII)[5] to reach the suprahyoid region,[2] branching away from CN XII distal to the superior root of ansa cervicalis[3]: 582 [4]: 709 [6] (which is a branching other fibres of C1-C2 that had traveled with the CN XII[4]: 709 ), near the posterior border of the hyoglossus muscle.[3]: 600  The thyrohyoid branch of ansa cervicalis innervates the thyrohyoid muscle.[2][6][3]: 582 [4]: 457, 709 

Thyrohyoid branch
See to thyrohyoideus. Note the relation with the superior root of ansa cervicalis (labelled as descending hypoglossal).
Details
Innervatesthyrohyoid muscle
Identifiers
Latinramus thyrohyoideus,[1]
ramus thyrohyoideus ansae cervicalis,[2]
ramus thyrohyoideus nervi hypoglossi
Anatomical terms of neuroanatomy

References
  1. "Anatonomina". www.terminologia-anatomica.org. Retrieved 2023-07-01.
  2. "ramus thyrohyoideus ansae cervicalis". TheFreeDictionary.com. Retrieved 2023-06-30.
  3. Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
  4. Waschke, Jens; Böckers, Tobias M.; Paulsen, Friedrich; Arnold, Wolfgang; Bechmann, Ingo, eds. (2018). Sobotta Anatomy Textbook: English Edition with Latin Nomenclature (1st ed.). München: Elsevier. ISBN 978-0-7020-6760-0.
  5. Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). Elsevier Australia. p. 337. ISBN 978-0-7295-3752-0.
  6. Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2018). Clinically Oriented Anatomy (8th ed.). Wolters Kluwer. p. 1005. ISBN 978-1-4963-4721-3.
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