(pathology) A swelling on or around joints and tendons in the hand or foot.

(neuroanatomy) Any of a group of nuclei in the brain interconnected with the cerebral cortex, thalamus and brainstem.

(anatomy) A large ganglion, at the root of the trigeminal, or fifth cranial, nerve.

(neuroanatomy) Synonym of pterygopalatine ganglion.

(neuroanatomy) A small reddish ganglion consisting of sensory and sympathetic nerve cells located at the sharp backward angle of the facial nerve.

(neuroanatomy) A ganglion in the dorsal root of a spinal nerve.

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

(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.