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preganglionic Definition

pre·gan·gli·onic (prē gaŋ′glē änik)

adjective

Zool. of or pertaining to nerve fibers going from the spinal cord to sympathetic ganglia
preganglionic Usage Examples

Modifies a noun

  • fiber: The adrenal medulla responds to nervous impulses in the sympathetic cholinergic preganglionic fibers by transforming the neural impulses into hormonal secretion.
  • motoneuron: Of the remaining preganglionic motoneurons, roughly 20 % of the total are located dorsal to the oculomotor nucleus.
  • synapse: As discussed above, Ach is the neurotransmitter via a nicotinic receptor at the preganglionic synapse.
  • neuron: TOP 3. Central autonomic control of homeostasis: mechanisms regulating sympathetic preganglionic neurones.
  • nerve: The autonomic nerve fibers which radiate from the central nervous system to the ganglia of the autonomic nervous system are called preganglionic nerves.

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