paraganglion


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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
References in periodicals archive ?
The small paraganglion rest was found within the gallbladder wall and is unlikely to represent a metastasis from the previously resected tumour.
Tumors of the extra-adrenal paraganglion system (including chemoreceptors).
Paragangliomas (PGs) are uncommon neuroendocrine tumors that develop in the extra-adrenal paraganglion neurocrest tissue.
Extra-adrenal pheochromocytoma may arise in any portion of the paraganglion system, although they most commonly occur below the diaphragm.
The glomus jugulare, a nonchromaffin paraganglion, in man.
They arise from the chemoreceptor organ (paraganglion) located in the adventitia of the carotid artery bifurcation.
Paraganglion of the prostate gland: an uncommon mimic of prostate cancer in needle biopsies.