Thyrohyoid branch

{{Infobox nerve|Name=Thyrohyoid branch|Latin=ramus thyrohyoideus,
ramus thyrohyoideus ansae cervicalis,
ramus thyrohyoideus nervi hypoglossi{{citation needed|date=July 2023}}|Image=Gray795.png|Caption=See to thyrohyoideus. Note the relation with the superior root of ansa cervicalis (labelled as descending hypoglossal).|Innervates=thyrohyoid muscle|BranchFrom=|BranchTo=}}

{{Short description|Nervous system structure}}

The thyrohyoid branch{{Cite web |title=Anatonomina |url=http://www.terminologia-anatomica.org/en/Terms/Occurence/6761 |access-date=2023-07-01 |website=www.terminologia-anatomica.org}} (also: thyrohyoid branch of ansa cervicalis, or nerve to thyrohyoid (muscle){{Cite web |title=ramus thyrohyoideus ansae cervicalis |url=https://medical-dictionary.thefreedictionary.com/ramus+thyrohyoideus+ansae+cervicalis |access-date=2023-06-30 |website=TheFreeDictionary.com}}{{Rp|page=595, 600}}) is a motor branch derived from the cervical plexus{{Rp|page=595, 600}}{{Cite book |title=Sobotta Anatomy Textbook: English Edition with Latin Nomenclature |publisher=Elsevier |year=2018 |isbn=978-0-7020-6760-0 |editor-last=Waschke |editor-first=Jens |edition=1st |location=München |pages= |editor-last2=Böckers |editor-first2=Tobias M. |editor-last3=Paulsen |editor-first3=Friedrich |editor-last4=Arnold |editor-first4=Wolfgang |editor-last5=Bechmann |editor-first5=Ingo}}{{Rp|page=457, 709}} formed by fibres of (the anterior ramus of{{Rp|page=600}}) the cervical spinal nerve 1 (C1){{Cite book |last=Standring |first=Susan |url=https://www.worldcat.org/oclc/1201341621 |title=Gray's Anatomy: The Anatomical Basis of Clinical Practice |year=2020 |isbn=978-0-7020-7707-4 |edition=42th |location=New York |pages= |oclc=1201341621}}{{Rp|page=582}}{{Cite book |last=Sinnatamby |first=Chummy S. |title=Last's Anatomy |publisher= Elsevier Australia|year=2011 |isbn=978-0-7295-3752-0 |edition=12th |pages=337}}{{Cite book |last1=Moore |first1=Keith L. |title=Clinically Oriented Anatomy |last2=Dalley |first2=Arthur F. |last3=Agur |first3=Anne M. R. |publisher=Wolters Kluwer |year=2018 |isbn=978-1-4963-4721-3 |edition=8th |location= |pages=1005}}{{Rp|page=457, 709}} (and - according to some sources - cervical spinal nerve 2 (C2) as well{{Rp|page=457, 709}}) that join and travel with the hypoglossal nerve (cranial nerve XII) to reach the suprahyoid region, branching away from CN XII distal to the superior root of ansa cervicalis{{Rp|page=582}}{{Rp|page=709}} (which is a branching other fibres of C1-C2 that had traveled with the CN XII{{Rp|page=709}}), near the posterior border of the hyoglossus muscle.{{Rp|page=600}} The thyrohyoid branch of ansa cervicalis innervates the thyrohyoid muscle.{{Rp|page=582}}{{Rp|page=457, 709}}