paraganglion

Century Dictionary and Cyclopedia

1. n. One of the crescentic or oval groups of cells in the medullary portion of the adrenal bodies.

Wiktionary

1. n. A chromaffin body; a small group of chromaphil cells in the abdomen, connected with the ganglia of the sympathetic trunk and the ganglia of the celiac, renal, adrenal, aortic and hypogastric plexuses.