postsynaptic

postsynaptic
Pertaining to the area on the distal side of a synaptic cleft.

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post·syn·ap·tic .pōst-sə-'nap-tik adj
1) occurring after synapsis <a \postsynaptic chromosome>
2) relating to, occurring in, or being part of a nerve cell by which a wave of excitation is conveyed away from a synapse <\postsynaptic dopamine receptors>
post·syn·ap·ti·cal·ly -ti-k(ə-)lē adv

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post·sy·nap·tic (pōst″sĭ-napґtik) situated beyond or distal to a synapse, or occurring after the synapse is crossed.

Medical dictionary. 2011.

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Look at other dictionaries:

  • postsynaptic — adjective Date: 1909 1. occurring after synapsis < a postsynaptic chromosome > 2. of, occurring in, or being a nerve cell by which a wave of excitation is conveyed away from a synapse < a postsynaptic membrane > • postsynaptically adverb …   New Collegiate Dictionary

  • postsynaptic — | ̷ ̷+ adjective Etymology: post + synaptic : following synapsis : belonging to the kind that exists after synaptic alteration a postsynaptic chromosome …   Useful english dictionary

  • Postsynaptic potential — Postsynaptic potentials are changes in the membrane potential of the postsynaptic terminal of a chemical synapse. Postsynaptic potentials are graded potentials, and should not be confused with action potentials although their function is to… …   Wikipedia

  • Postsynaptic density — The postsynaptic density (PSD) is a cytoskeleton specialization at neuronal synapses that was originally identified as an electron dense region at the membrane of a postsynaptic neuron, as viewed by electron microscopy. PSDs are usually composed… …   Wikipedia

  • postsynaptic potential — In a synapse, a change in the resting potential of a postsynaptic cell following stimulation of the presynaptic cell. For example, in a cholinergic synapse, the release of acetylcholine from the presynaptic cell causes channels to open in the… …   Dictionary of molecular biology

  • postsynaptic potential — a change in polarization of a postsynaptic neuron; see excitatory postsynaptic p. and inhibitory postsynaptic p …   Medical dictionary

  • postsynaptic cell — In a chemical synapse, the cell that receives a signal (binds neurotransmitter) from the presynaptic cell and responds with depolarization. In an electrical synapse, the postsynaptic cell would just be downstream, but since many electrical… …   Dictionary of molecular biology

  • postsynaptic protein — (= 43 kD postsynaptic protein) A peripheral membrane protein thought to help anchor acetylcholine receptors in the postsynaptic membrane. Highly conserved …   Dictionary of molecular biology

  • postsynaptic potential — ▪ biology       a temporary change in the electric polarization of the membrane of a nerve cell ( neuron). The result of chemical transmission of a nerve impulse at the synapse (neuronal junction), the postsynaptic potential can lead to the… …   Universalium

  • postsynaptic membrane — the area of plasma membrane of a postsynaptic cell, either a muscle fiber or a neuron, that is within the synapse and has areas especially adapted for receiving neurotransmitters …   Medical dictionary

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