excitatory

excitatory
excitatory [ik sīt′ə tivek΄sīt ə tôr΄ē, ik sītə tôr΄ē]
adj.
exciting or tending to excite: also excitative [ik sīt′ə tiv]

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Universalium. 2010.

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Look at other dictionaries:

  • Excitatory — Ex*cit a*to*ry, a. [Cf. F. excitatoire.] Tending to excite; containing excitement; excitative. [1913 Webster] …   The Collaborative International Dictionary of English

  • excitatory — [ik sīt′ə tivek΄sīt ə tôr΄ē, ik sītə tôr΄ē] adj. exciting or tending to excite: also excitative [ik sīt′ə tiv] …   English World dictionary

  • excitatory — Tending to produce excitation. * * * ex·cit·ato·ry ik sīt ə .tōr ē, .tȯr adj 1) tending to induce excitation (as of a neuron) <excitatory substances> <excitatory and inhibitory pathways from the brain (W. G. Van der Kloot)> 2)… …   Medical dictionary

  • excitatory — adjective Date: 1803 exhibiting, resulting from, related to, or producing excitement or excitation < excitatory nerve fibers > …   New Collegiate Dictionary

  • excitatory — excite ► VERB 1) cause strong feelings of enthusiasm and eagerness in. 2) arouse sexually. 3) give rise to (a feeling or reaction). 4) produce a state of increased energy or activity in (a physical or biological system). DERIVATIVES excitation… …   English terms dictionary

  • Excitatory postsynaptic potential — In neuroscience, an excitatory postsynaptic potential (EPSP) is a temporary depolarization of postsynaptic membrane potential caused by the flow of positively charged ions into the postsynaptic cell. They are the opposite of inhibitory… …   Wikipedia

  • Excitatory amino acid agonist — A excitatory amino acid agonist is a pharmacological agent which acts to increase the stimulation of receptors for excitatory amino acids (primarily glutamate). [MeshName|Excitatory+amino+acid+agonists] Examples include:* avermectin * ibotenic… …   Wikipedia

  • Excitatory amino acid antagonist — An excitatory amino acid antagonist is a pharmacological agent which acts to decrease the stimulation of receptors for excitatory amino acids (primarily glutamate). [MeshName|Excitatory+amino+acid+antagonists] Examples include:* 2 amino 5… …   Wikipedia

  • Excitatory synapse — An excitatory synapse is a synapse in which an action potential in the presynaptic cell increases the probability of an action potential occurring in the postsynaptic cell (see also: EPSP)). At an excitatory synapse , the neurotransmitter opens… …   Wikipedia

  • excitatory amino acid — The naturally occurring amino acids L glutamate and L aspartate and their synthetic analogues, notably kainate, quisqualate, and NMDA. They have the properties of excitatory neurotransmitters in the CNS, may be involved in long term potentiation …   Dictionary of molecular biology

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