Hypertext Webster Gateway: "receptor"
From WordNet (r) 1.7 (wn)
receptor
n 1: a cellular structure that is postulated to exist in order to
mediate between a chemical agent that acts on nervous
tissue and the physiological response
2: an organ having nerve endings (in the skin or viscera or eye
or ear or nose or mouth) that respond to stimulation [syn:
{sense organ}, {sensory receptor}] [ant: {effector}]
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