carotid bodies

Carotid bodies, as aortic bodies, are chemoreceptors specialized to detect changes in the blood pH and oxygen tension. Their cells are usually chromaffin-negative and tumors arising from these structures are usually non functionnal.

Pathology

 carotid body paraganglioma (chemodectoma, nonchromaffin paraganglioma)

See also

 paraganglia
 paragangliomas