Receptor

n. acceptor, receiver, one who takes in; (Anatomy) sensor which receives stimuli (in the nervous system)

Receptor may refer to:Sensory receptor, in physiology, any structure which, on receiving environmental stimuli, produces an informative nerve impulseReceptor (biochemistry), in biochemistry, a protein molecule that receives and responds to a neurotransmitter, hormone, or other substanceReceptor (immunology), a molecule on the surface of an immunocyte which binds its ligand
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Receptor /re·cep·tor/ 1. a molecule on the surface or within a cell that recognizes and binds with specific molecules, producing a specific effect [more]Receptor - Community and Resources

Noun
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
(hypernym) structure, anatomical structure, complex body part, bodily structure, body structure
(hyponym) alpha receptor, alpha-adrenergic receptor, alpha-adrenoceptor
2. an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
(synonym) sense organ, sensory receptor
(antonym) effector
(hypernym) organ
(hyponym) lateral line, lateral line organ
(part-holonym) sensory system
(part-meronym) papilla
(derivation) pick up, receive

adj. received, accepted, gotten, taken in

n. receptor, pickup, receiver