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neurotransmitter

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accommodation

accommodation  

The exhaustion of neurotransmitter at the synapse when a stimulus is repeated frequently. This may result in a decrease in behavioural responsiveness.
amine

amine  

Any one of a group of organic compounds derived by replacing one or more of the hydrogen atoms in ammonia by organic groups. Primary amines have one hydrogen replaced, e.g. methylamine, CH3NH2. They ...
cyclic AMP

cyclic AMP  

A derivative of ATP that is widespread in cells as a second messenger in many biochemical reactions induced by hormones. Binding of the hormone to its receptor on the cell surface activates G ...
gap junction

gap junction  

A passage through the lipid bilayers of adjacent plasma membranes that mediates the transfer of small molecules or ions between interacting cells. Gap junctions are abundant in epithelial tissues and ...
hearing

hearing  

The sense by which sound is detected. In vertebrates the organ of hearing is the ear. In higher vertebrates variation in air pressure caused by sound waves are amplified in the outer and middle ears ...
neurosecretion

neurosecretion  

1 the process of secretion of a substance by a (specially adapted) nerve cell.2 a product of such a secretion; a neurocrine (def. 2) or neuroendocrine (def. 2).—neurosecretory adj.[...]
secretion

secretion  

1 The act of discharging useful materials (i.e. as opposed to the excretion of waste products) from cells.2 Any such material discharged from cells.
transmission

transmission  

1 (in neurophysiology) The one-way transfer of a nerve impulse from one neuron to another across a synapse. See also neurotransmitter. Compare propagation.2 (in medicine) The spread of an infection ...

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