cerebrospinal ganglion

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cerebrospinal ganglion

a cluster of sensory ganglia neurons on roots of cranial and spinal nerves. The neurons lack dendrites and have no synapses on their cell bodies. See also autonomic ganglion, dorsal root ganglion, ganglion.


pl. ganglia, ganglions [Gr.] a knot or knotlike mass; a general term to designate a group of nerve cell bodies, located outside the central nervous system. Occasionally applied to certain nuclear groups within the brain or spinal cord, e.g. basal ganglia.

aorticorenal ganglion
small sympathetic ganglia supplying nerve fibers to the kidneys.
Arnold's ganglion
see otic ganglion (below).
autonomic ganglion
aggregations of cell bodies of neurons of the autonomic nervous system; the parasympathetic and the sympathetic ganglia combined.
basal ganglion
subcortical masses of gray matter embedded in each cerebral hemisphere, comprising the corpus striatum (caudate and lentiform nuclei), amygdaloid body and claustrum. Other structures have also been considered to be part of the basal ganglia. Called also basal nuclei.
cardiac ganglion
ganglia of the superficial cardiac plexus found close to the aortic arch.
celiac ganglion
two large sympathetic ganglia, found on either side of the celiac artery, supplying nerve fibers to the viscera supplied by that artery; sensory and parasympathetic fibers also pass through the ganglia.
cephalic ganglion
parasympathetic ganglia in the head, consisting of the ciliary, otic, pterygopalatine and submandibular ganglia.
cerebrospinal ganglion
those associated with the cranial and spinal nerves.
cervical ganglion
1. any of the three ganglia (cranial, middle and caudal) of the sympathetic trunk found near the base of the skull and inside the thoracic inlet.
2. one near the cervix uteri.
cervicothoracic ganglion
a ganglion on the sympathetic trunk formed by a union of the caudal cervical and one or more thoracic ganglia. Called also stellate ganglion.
ciliary ganglion
a parasympathetic ganglion in the posterior part of the orbit supplied by the oculomotor nerve.
Corti's ganglion
spiral ganglion.
dorsal root ganglion
spinal ganglion.
false ganglion
an enlargement on a nerve that does not have a true ganglionic structure.
gasserian ganglion
trigeminal ganglion.
geniculate ganglion
the sensory ganglion of the facial nerve, on the geniculum of the facial nerve.
ganglion impar
the single ganglion commonly found where the sympathetic trunks of the two sides unite.
jugular ganglion
1. the proximal ganglion of the vagus nerve.
2. the proximal (superior) ganglion of the glossopharyngeal nerve.
lumbar ganglion
the ganglia on the lumbar part of the sympathetic trunk.
otic ganglion
a parasympathetic ganglion next to the medial surface of the mandibular nerve, just ventral to the foramen ovale. Its postganglionic fibers supply the parotid gland. Called also Arnold's ganglion.
parasympathetic ganglion
aggregations of cell bodies of cholinergic neurons of the parasympathetic nervous system; these ganglia are located near to or within the wall of the organs being innervated.
petrous ganglion
the distal ganglion of the glossopharyngeal nerve.
pterygopalatine ganglion
a parasympathetic ganglion in a fossa in the sphenoid bone, formed by postganglionic cell bodies that synapse with preganglionic fibers from the facial nerve via the nerve of the pterygopalatine canal. Called also sphenopalatine ganglion.
sacral ganglion
those of the sacral part of the sympathetic trunk.
semilunar ganglion
trigeminal ganglion.
sensory ganglion
any of the ganglia of the peripheral nervous system that transmit sensory impulses; also, the collective masses of nerve cell bodies in the brain subserving sensory functions.
simple ganglion
a cystic tumor in a tendon sheath.
sphenopalatine ganglion
pterygopalatine ganglion.
spinal ganglion
ganglia on the dorsal root of each spinal nerve.
spiral ganglion
the ganglion on the cochlear nerve, located within the modiolus, sending fibers peripherally to the organ of Corti and centrally to the cochlear nuclei of the brainstem. Called also Corti's ganglion.
stellate ganglion
cervicothoracic ganglion.
sympathetic ganglion
aggregations of cell bodies of adrenergic neurons of the sympathetic nervous system; these ganglia are arranged in chainlike fashion on either side of the spinal cord.
thoracic ganglion
the ganglia on the thoracic portion of the sympathetic trunk.
trigeminal ganglion
a ganglion on the sensory root of the fifth cranial nerve. Called also gasserian ganglion and semilunar ganglion.
tympanic ganglion
an enlargement on the tympanic branch of the glossopharyngeal nerve.
vestibular ganglion
the sensory ganglion of the vestibular part of the eighth cranial nerve, located in the dorsal part of the lateral end of the internal acoustic meatus.
Walther's ganglion
ganglion impar.
Wrisberg's ganglion
cardiac ganglia.
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