(neuroanatomy) A cluster of nerve cell bodies (a ganglion) in the autonomic nervous system.

(politics, historical, derogatory) propaganda term used by Mao Zedong against opponents / Used other than figuratively or idiomatically: see black, gangster. (i.e. one with black skin)

(neuroanatomy) A small autonomic ganglion on the nasociliary branch of the ophthalmic nerve receiving preganglionic fibers from the oculomotor nerve and sending postganglionic fibers to the ciliary muscle and to the iris sphincter.

(neuroanatomy) An autonomic ganglion of the maxillary nerve that is situated in the pterygopalatine fossa and that receives preganglionic parasympathetic fibers from the facial nerve and sends postganglionic fibers to the nasal mucosa, palate, pharynx, and orbit.

(neuroanatomy) Any of the ganglia of the sympathetic chain in the thoracic region that occur in 12 or fewer pairs.

(neuroanatomy) A composite ganglion formed by fusion of the inferior cervical ganglion and the first thoracic ganglion of the sympathetic chain of a vertebrate animal.

(neuroanatomy) Any of the small ganglia of the lumbar part of the sympathetic nervous system.

(neuroanatomy) A ganglion at the top of the sympathetic chain that lies between the internal carotid artery and the second and third cervical vertebrae and that sends postganglionic fibers to the heart, larynx, and pharynx, and to the head.

(neuroanatomy) Any of three sympathetic ganglia on each side of the neck.

(neuroanatomy) A ganglion that is located between the base of the transverse process of the seventh cervical vertebra and the fifth rib and is usually partly or completely fused with the first thoracic ganglion to form the stellate ganglion.