Share this entry

Share this page

nerve impulse

Saltos de línea: nerve im|pulse

Definición de nerve impulse en inglés:

sustantivo

A signal transmitted along a nerve fibre. It consists of a wave of electrical depolarization that reverses the potential difference across the nerve cell membranes.
Example sentences
  • The arrival of the nerve impulse, an electrical signal, at the axon activates the influx of calcium ions through voltage-dependent ion channels in the membrane.
  • After an action potential has swept along a single nerve fibre, a second nerve impulse cannot be initiated immediately.
  • It is the influx of sodium into the cell that is responsible for generating an action potential, which causes depolarization and conduction of the nerve impulse.

Definición de nerve impulse en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día jaunt
Pronunciación: dʒɔːnt
noun
a short excursion or journey made for pleasure