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Home > Unit 2 - Bio-psychology - The Synapse Flashcards

Unit 2 - Bio-psychology - The Synapse Flashcards

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7587652919Synaptic gapThe minute space between the cell membrane of an axon terminal and of the target cell with which it synapses. Also called synaptic cleft .0
7587652920ReceptorThese chemicals diffuse across the synapse (the gap) and bind with receptor molecules on the membrane of the next neuron1
7587652921NeurotransmitterChemical messengers, that when released influence other neurons.2
7587652922Synaptic vesiclesTiny sacs like water balloons filled with neurotransmitters.3
7587652923Nerve impulseA nerve impulse is an electrical signal that travels along an axon. There is an electrical difference between the inside of the axon and its surroundings, like a tiny battery.4
7587652925Postsynaptic membraneThe cell/neuron that RECEIVES the message.5
7587652926AxonThe long thread-like part of a nerve cell along which impulses are conducted from the cell body to other cells.6
7587652927DendriteA short branched extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.7
7587666378Synaptic ReuptakeNeurotransmitters are not destroyed but reused.8
7587680255lock and key modelTransmitter molecules will only will only affect the postsynaptic membrane if that molecule's shape fits into certain synaptic receptor molecules - like a key into a lock.9
7587998175Presynaptic NeuronThe cell/neuron that SENDS the message.10
7588012060PostsynapticThe cell/neuron that RECEIVES the message.11
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