paraganglion

paraganglion

 [par″ah-gang´gle-on] (pl. paragan´glia)

a collection of chromaffin cells, derived from neural ectoderm, occurring outside of the adrenal medulla, most commonly near the sympathetic ganglia and in relation to the aorta and its branches. Most, if not all, of the paraganglia secrete epinephrine or norepinephrine.

Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

par·a·gan·gli·on

, pl.

par·a·gan·gli·a

(par'ă-gang'glē-on, -ă),

A small, rounded body containing chromaffin cells; a number of such bodies may be found retroperitoneally near the aorta and in organs, for example, kidney, liver, heart, and gonads.

Synonym(s): chromaffin body

Farlex Partner Medical Dictionary © Farlex 2012

par·a·gan·gli·on

, pl. paraganglia (par'ă-gang'glē-ŏn, -ă)

A small, roundish body containing chromaffin cells; a number of such bodies may be found retroperitoneally near the aorta and in organs such as the kidney, liver, heart, and gonads.
Synonym(s): chromaffin body.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012