paraganglia) is a group of non-neuronal cells derived of the neural crest.

[1] Chromaffin paraganglia (also called chromaffin bodies) are connected with the ganglia of the sympathetic trunk and the ganglia of the celiac, renal, adrenal, aortic and hypogastric plexuses.

[2] Tumors of the paraganglionic tissues are known as paragangliomas, though this term tends to imply the nonchromaffin type, and can occur at a number of sites throughout the body.

[3] They are generally present at the head and neck, most often at carotid body or jugulo-tympanic, they rarely secrete hormones and commonly have a familial history.

[1][2] This article incorporates text in the public domain from page 1277 of the 20th edition of Gray's Anatomy (1918)