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para-aortic bodies


Definition: small masses of chromaffin tissue found near the sympathetic ganglia along the aorta; they are more prominent during fetal life. The chromaffin cells secrete norepinephrine; chemoreceptive endings monitor levels of blood gases.

Synonym(s): corpora paraaorticaTA, aortic glomera, glomera aortica, aortic bodies, corpus aorticum, glomus aorticum, organs of Zuckerkandl, Zuckerkandl bodies

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.