excitatory synapse


excitatory synapse
A synapse (either chemical or electrical) in which an action potential in the presynaptic cell increases the probability of an action potential occurring in the postsynaptic cell. See inhibitory synapse.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • 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

  • synapse — A connection between excitable cells, by which an excitation is conveyed from one to the other. (1) Chemical synapse: one in which an action potential causes the exocytosis of neurotransmitter from the presynaptic cell, which diffuses across the… …   Dictionary of molecular biology

  • 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

  • synapse — /sin aps, si naps /, n., v., synapsed, synapsing. Physiol. n. 1. a region where nerve impulses are transmitted and received, encompassing the axon terminal of a neuron that releases neurotransmitters in response to an impulse, an extremely small… …   Universalium

  • Chemical synapse — This article is about chemical synapses of the nervous system. For other uses, see Synapse (disambiguation). Illustration of the major elements in chemical synaptic transmission. An electrochemical wave called an action potential travels along… …   Wikipedia

  • Silent synapse — In neuroscience, a silent synapse is an excitatory glutamatergic synapse whose postsynaptic membrane contains NMDA type glutamate receptors but no AMPA type glutamate receptors. These synapses are so named because normal AMPA receptor mediated… …   Wikipedia

  • inhibitory synapse — A synapse in which an action potential in the presynaptic cell reduces the probability of an action potential occurring in the postsynaptic cell. The most common inhibitory neurotransmitter is GABA; this opens channels in the postsynaptic cell… …   Dictionary of molecular biology

  • Golgi cell — Infobox Anatomy Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Microcircuitry of the cerebellum. Excitatory synapses are denoted by (+) and inhibitory synapses by ( ). MF: Mossy fiber. DCN: Deep cerebellar nuclei. IO: Inferior olive.… …   Wikipedia

  • Thomas Südhof — Thomas C. Südhof (* 22. Dezember 1955 in Göttingen) ist ein deutscher Biochemiker. Südhof studierte Medizin an der RWTH Aachen, an der Harvard University und an der Universität Göttingen. 1982 wurde er mit einer Dissertation über Struktur und… …   Deutsch Wikipedia

  • SLC1A1 — Solute carrier family 1 (neuronal/epithelial high affinity glutamate transporter, system Xag), member 1, also known as SLC1A1, is a human gene.cite web | title = Entrez Gene: SLC1A1 solute carrier family 1 (neuronal/epithelial high affinity… …   Wikipedia


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