presynaptic
Americanadjective
Other Word Forms
Derived Forms
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.
To examine how these networks function, he used the patch-clamp technique, which measures tiny electrical signals within specific parts of neurons, including presynaptic terminals and dendrites.
From Science Daily • May 3, 2026
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
Calcium ions entering the cell initiate a signaling cascade that causes small membrane-bound vesicles, called synaptic vesicles, containing neurotransmitter molecules to fuse with the presynaptic membrane.
From Textbooks • Jun. 9, 2022
Synaptic vesicles at the axon terminal of the presynaptic neuron release chemical messengers called neurotransmitters into the junction; neurotransmitters then bind to receptors embedded in the membrane of the postsynaptic neuron.
From Textbooks • Jun. 9, 2022
At the presynaptic juncture, there is a distinct “presynaptic dense body” or ribbon.
From Textbooks • Jan. 1, 2015
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.
