ganglion
IPA: gæŋgɫiˈɑn
noun
- (neuroanatomy)
- An encapsulated collection of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve fiber.
- Any of certain masses of gray matter in the central nervous system, as the basal ganglia.
- (transferred sense) A centre of intellectual or industrial force, activity, etc.
- (pathology) A benign cystic tumour on a tendon sheath or joint capsule.
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Examples of "ganglion" in Sentences
- (A ganglion is a mass of nervous matter including nerve cells.)
- It contains a group of nerve cells termed the ganglion habenulæ.
- Nerve fibre outgrowth from the chick ganglion is determined after 24 hours.
- But at the lumbar ganglion, which is the center of separate identity, the knowledge is of a different mode, though the term is the same.
- "The word ganglion {ganglee-on) is (keek for "knot" and was originally used by Hippocrates and his school for knotlike tumors beneath the skin.
- These in turn communicate with nerve cells in a third layer, known as the ganglion cells, that send their fibers into the optic nerve (Fig. 160).
- The sensory root arises from the genicular ganglion, which is situated on the geniculum of the facial nerve in the facial canal, behind the hiatus of the canal.
- The powerful lower centers are no longer fully active, particularly the great lumbar ganglion, which is the clue to our sensual passionate pride and independence, this ganglion is atrophied by suppression.
- The lower wall of the infra-orbital canal is cut away by a chisel, the posterior wall of the antrum by a smaller trephine, the nerve thus isolated is traced up to and past Meckel's ganglion, which is removed close to the foramen rotundum by cutting the nerve by curved blunt-pointed scissors.
- After its exit from the jugular foramen the vagus is joined by the cranial portion of the accessory nerve, and enlarges into a second gangliform swelling, called the ganglion nodosum (ganglion of the trunk); through this the fibers of the cranial portion of the accessory pass without interruption, being principally distributed to the pharyngeal and superior laryngeal branches of the vagus, but some of its fibers descend in the trunk of the vagus, to be distributed with the recurrent nerve and probably also with the cardiac nerves.
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