An anatomical variation in the formation of the inferior root of ansa cervicalis

Srinivasa Rao Sirasanagandla, B. Satheesha Nayak*, Naveen Kumar, Jyothsna Patil, S. Swamy Ravindra

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

During regular dissections, we observed an unusual organization of the inferior root of Ansa Cervicalis (AC). The superior root of ansa arose normally from the hypoglossal nerve. The ventral ramus of the C2 spinal nerve divided into two branches. One of its branches joined the superior root independently to form a loop at a higher level. Another branch ran along the vagus nerve, joined with the ventral ramus of C3 spinal nerve, finally connected with the superior root and formed the second loop at a lower level. No variation was found in formation of superior root. Knowledge on the possible deviations in the formation of these roots is clinically important, to prevent iatrogenic injuries in surgical procedures such as thyroplasties, arytenoids adductions, and Teflon injections.

Original languageEnglish
Pages (from-to)2319-2320
Number of pages2
JournalJournal of Clinical and Diagnostic Research
Volume7
Issue number10
DOIs
Publication statusPublished - Oct 5 2013
Externally publishedYes

Keywords

  • Anastomosis
  • Ansa cervicalis
  • Inferior root
  • Recurrent laryngeal nerve
  • Superior root

ASJC Scopus subject areas

  • Clinical Biochemistry

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