presynaptic
Americanadjective
Other Word Forms
- presynaptically adverb
Etymology
Origin of presynaptic
1905–10; pre- + synaptic ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Synaptic versicles -- sphere-like structures that store and release neurotransmitters such as dopamine and serotonin, are found in the presynaptic terminals of neurons.
From Science Daily • Dec. 3, 2024
Note that these designations are relative to a particular synapse—most neurons are both presynaptic and postsynaptic.
From Textbooks • Jun. 9, 2022
This makes the postsynaptic neuron less responsive to glutamate released from the presynaptic neuron.
From Textbooks • Jun. 9, 2022
Serotonin is transported back into the presynaptic cell for repackaging.
From Textbooks • Jun. 19, 2013
The Ca2+ facilitates the merging of the vesicle with the presynaptic membrane so that the neurotransmitter is released through exocytosis into the small gap between the cells, known as the synaptic cleft.
From Textbooks • Jun. 19, 2013
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
