en Anatomical Sciences Anatomical Sciences case report case report <b><font size="3" face="TimesNewRomanPS-BoldMT"><font size="3" face="TimesNewRomanPS-BoldMT"><p align="left">Absract</p></font></font><font size="2" face="TimesNewRomanPSMT"><font size="2" face="TimesNewRomanPSMT"><p align="left">A rare variant of ansa cervicalis was discovered during dissection of the neck in a</p><p align="left">male cadaver. The superior root of the Ansa cervicalis was formed by the C1 ventral</p><p align="left">ramus. It accompanied with the vagus nerve in place of the hypoglossal nerve and descended</p><p align="left">into the carotid sheath with it. Moreover the C1 ventral ramus formed from</p><p>the sheath and joined the inferior root from C2 and C3 ventral rami.</p></font></font></b> Ansa cervicalis, vagus nerve, anatomical variation. 238 240 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-132&slc_lang=en&sid=1 Mahmood Ayyoubian 20031947532846001366 20031947532846001366 No Morteza Koruji sKoruji@tums.ac.ir 20031947532846001367 20031947532846001367 Yes