The meaning of EXCITATORY is exhibiting, resulting from, relating to, or producing excitement or excitation. How to use excitatory in a sentence.

excitatory in American English (ɛkˈsaɪtəˌtɔri, ɪkˈsaɪtəˌtɔri) adjective exciting or tending to excite

Jun 19, 2025 · In simple terms, excitatory signals act like a green light, promoting neural activity, whereas inhibitory signals act like a red light, calming or suppressing it.

Dec 29, 2025 · excitatory Definitions of excitatory adjective (of drugs e.g.) able to excite or stimulate

excitatory, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

An excitatory synapse is a synapse in which an action potential in a presynaptic neuron depolarizes the membrane of the postsynaptic cell, and thus increases the probability of …

Define excitatory. excitatory synonyms, excitatory pronunciation, excitatory translation, English dictionary definition of excitatory. or ex·ci·ta·to·ry adj. Causing or tending to cause excitation.

excitatory (comparative more excitatory, superlative most excitatory) Stimulating, exciting or causing excitation; excitative. antonym Antonym: inhibitory Of or relating to excitation.

Overview excitatory Quick Reference Tending to cause excitation. In neurophysiology, characteristic of neurons that cause other neurons to fire, or neurotransmitters, the action of …

In neurobiology, ’excitatory’ refers to a type of signal or neurotransmitter that increases the likelihood that a neuron will fire an action potential. Excitatory signals essentially activate …