motor end plate

motor end plate
motor end plate n the terminal arborization of a motor axon on a muscle fiber

* * *

the discoid expansion of a terminal branch of the axon of a motor nerve fiber, which apposes the subneural apparatus of a skeletal muscle fiber, forming the neuromuscular junction (q.v.).

Schematic diagram of the motor end plate and its relation to the synaptic cleft and muscle.


Medical dictionary. 2011.

См. также в других словарях:

  • motor end plate — noun the flattened end of a motor neuron that transmits neural impulses to a muscle • Syn: ↑end plate, ↑endplate • Hypernyms: ↑end organ • Part Holonyms: ↑effector * * * noun …   Useful english dictionary

  • motor end plate — Synonym for neuromuscular junction …   Dictionary of molecular biology

  • end-plate potential — ▪ physiology       chemically induced change in electric potential of the motor end plate, the portion of the muscle cell membrane that lies opposite the terminal of a nerve fibre at the neuromuscular junction. The end plate membrane is… …   Universalium

  • end-plate — noun the flattened end of a motor neuron that transmits neural impulses to a muscle • Syn: ↑endplate, ↑motor end plate • Hypernyms: ↑end organ • Part Holonyms: ↑effector …   Useful english dictionary

  • end plate potential — an action potential that occurs in a stimulated motor end plate, causing initiation of an action potential in the adjacent muscle fiber …   Medical dictionary

  • End plate — End End ([e^]nd), n. [OE. & AS. ende; akin to OS. endi, D. einde, eind, OHG. enti, G. ende, Icel. endir, endi, Sw. [ a]nde, Dan. ende, Goth. andeis, Skr. anta. [root]208. Cf. {Ante }, {Anti }, {Answer}.] 1. The extreme or last point or part of… …   The Collaborative International Dictionary of English

  • end plate — n a complex terminal arborization of the axon of a motor neuron that contacts with a muscle fiber called also end brush * * * (end plāt) a flat termination. Spelled also end plate …   Medical dictionary

  • end plate — end′ plate n. cbl a specialized area on the surface of a muscle fiber where a motor neuron makes contact with the muscle • Etymology: 1875–80 …   From formal English to slang

  • end plate — n. the area of specialized tissue that forms the junction between an individual muscle fiber and its motor nerve …   English World dictionary

  • End-plate potential — Miniature end plate potentials and end plate spikes recorded from muscle fiber End plate potentials (EPPs) (sometimes called end plate spikes ) are the depolarizations of skeletal muscle fibers caused by neurotransmitters binding to the… …   Wikipedia


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