open access

Vol 67, No 3 (2008)
REVIEW ARTICLES
Published online: 2008-06-02
Submitted: 2012-02-06
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The ansa subclavia: a review of the literature

M. Loukas, X.L. Zhan, R.S. Tubbs, D. Mirchandani, M.M. Shoja
Folia Morphol 2008;67(3):166-170.

open access

Vol 67, No 3 (2008)
REVIEW ARTICLES
Published online: 2008-06-02
Submitted: 2012-02-06

Abstract

The ansa subclavia, subclavian loop, Vieussens’ ansa or Vieussens’ loop is a nerve cord that connects the middle cervical and inferior cervical sympathetic ganglia, forming a loop around the subclavian artery. The structure of the ansa subclavia is evolutionarily conserved from rats, guinea pigs, the porcine species and dogs to humans. A common application in physiological studies is to electrically stimulate the ansa subclavia in animal models as a robust protocol to modulate stimulatory cardiac sympathetic input. Despite a large number of physiological studies utilizing the ansa subclavia, only very brief descriptions have been devoted to it in standard anatomy texts. An extensive search found only one report in the English language literature concerning the anatomy of the ansa subclavia. The aim of this report, therefore, was to provide a comprehensive review of the clinical anatomy of the ansa subclavia and to discuss its potential physiological functions.

Abstract

The ansa subclavia, subclavian loop, Vieussens’ ansa or Vieussens’ loop is a nerve cord that connects the middle cervical and inferior cervical sympathetic ganglia, forming a loop around the subclavian artery. The structure of the ansa subclavia is evolutionarily conserved from rats, guinea pigs, the porcine species and dogs to humans. A common application in physiological studies is to electrically stimulate the ansa subclavia in animal models as a robust protocol to modulate stimulatory cardiac sympathetic input. Despite a large number of physiological studies utilizing the ansa subclavia, only very brief descriptions have been devoted to it in standard anatomy texts. An extensive search found only one report in the English language literature concerning the anatomy of the ansa subclavia. The aim of this report, therefore, was to provide a comprehensive review of the clinical anatomy of the ansa subclavia and to discuss its potential physiological functions.
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Keywords

ansa subclavia; subclavian loop; Vieussens’ ansa; Vieussens’ loop

About this article
Title

The ansa subclavia: a review of the literature

Journal

Folia Morphologica

Issue

Vol 67, No 3 (2008)

Pages

166-170

Published online

2008-06-02

Bibliographic record

Folia Morphol 2008;67(3):166-170.

Keywords

ansa subclavia
subclavian loop
Vieussens’ ansa
Vieussens’ loop

Authors

M. Loukas
X.L. Zhan
R.S. Tubbs
D. Mirchandani
M.M. Shoja

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