chemical synapse
A nerve-nerve or nerve-muscle junction where the signal is transmitted by release from one membrane of a chemical transmitter that binds to a receptor in the second membrane. Importantly, signals only pass in one direction.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • 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

  • chemical synapse — the usual type of synapse seen in vertebrates, in which the impulse is carried by a neurotransmitter. Cf. electrical s …   Medical dictionary

  • 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

  • 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

  • Synapse (disambiguation) — A synapse is a neural junction used for communication between neurons.It usually refers to a chemical synapse, but also could be an electrical synapse or immunological synapse.Synapse may also refer to: * Synapse Software, an American computer… …   Wikipedia

  • Synapse — The point of connection usually between two nerve cells. Specifically, a synapse is a specialized junction at which a nerve cell (a neuron) communicates with a target cell. The neuron releases a chemical transmitter (a neurotransmitter) that… …   Medical dictionary

  • Synapse —    This is the gap between two neurons, where the nerve impulse is transmitted by a chemical neurotransmitter, such as acetylcholine. Molecules of the neurotransmitter are released into the synapse by the end bulb (axon terminal) of the… …   Historical dictionary of Psychiatry

  • Electrical synapse — An electrical synapse is a mechanical and electrically conductive link between two abutting neuron cells that is formed at a narrow gap between the pre and postsynaptic cells known as a gap junction. At gap junctions, such cells approach within… …   Wikipedia

  • Ribbon synapse — Latin synapsis fasciolaris Code TH H2.00.06.2.00024 Ribbon synapse is a type of synapse linking some particular neuronal cells, which have unique features, such as their morphology, mechanisms of multivesicular release and calcium channel positio …   Wikipedia

  • Squid giant synapse — The squid Giant Synapse Anatomy This chemical synaptic junction was first recognized by John Zachary Young in 1939.The squid giant synapse (Fig 1) is the largest chemical junction in nature. It lies in the stellate ganglion on each side of the… …   Wikipedia

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