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.

Look at other dictionaries:

  • 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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