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Stack #103011
| Question | Answer |
|---|---|
| biological psychology | a branch of psychology concerned with the links between biology and behavior |
| neuron | a nerve cell, the basic building block of the nervous system |
| axon | the extension of a neuron ending in branchin gterminal fibers throug which messages are sent to other neurons or to msucles or glands |
| myelin sheath | a layer of fatty cells segmentally encasing the fibers of many neurons; makes possible vastly greater transmission speed of neural impulses |
| action potential | a neural impulse; abrief electriacal charge that travels down an axon. the action poetential is generated by the movemet of positively charged atoms in and out of channels in the axons membrane. |
| threshold | the levle of stimulation required to trigger a neural impulse |
| synpase | the junction between the axon tip of the sending neuron and the dendrite or cell body fo the reeving neuron. the tiny gap at this junction is called hte synaptic gap or cleft |
| neurotransmitters | chemical messengers that traverse the synpatic gaps between neuron.s when released by the senidng neuron, neurotransmitters travel across the synpasse and bind to receptor sites ont he reeving neuron, thereby influencing whether it will generate a neural |
| acetlycholine | a neurotransmitter that, maong its function,s triggers muscle contraction |
Created by:
lilee256