| Noun | 1. | receptor - 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. | receptor - an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation Synonyms: sense organ, sensory receptor Antonyms: effector - an organ (a gland or muscle) that becomes active in response to nerve impulses |
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