postsynaptic

adjective post·syn·ap·tic \ ˌpōs(t)-sə-ˈnap-tik \
Updated on: 15 Nov 2017

Definition of postsynaptic

1 : occurring after synapsis
  • a postsynaptic chromosome
2 : of, occurring in, or being a nerve cell by which a wave of excitation is conveyed away from a synapse
  • a postsynaptic membrane

postsynaptically

play \ˌpōs(t)-sə-ˈnap-ti-k(ə-)lē\ adverb

First Known Use of postsynaptic

1909


Medical Dictionary

postsynaptic

adjective post·syn·ap·tic \ ˌpōst-sə-ˈnap-tik \

medical Definition of postsynaptic

1 : occurring after synapsis
  • a postsynaptic chromosome
2 : relating to, occurring in, or being part of a neuron that receives a nerve impulse after it has crossed a synapse
  • postsynaptic dopamine receptors
  • At a synapse, information in the form of chemicals called neurotransmitters flows from the so-called presynaptic cell to one dubbed the postsynaptic cell.
  • —Joe Z. TsienScientific AmericanApril 2000

postsynaptically

play \-ti-k(ə-)lē\ adverb

Seen and Heard

What made you want to look up postsynaptic? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to remove or wipe out

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!