Look up receptor in Wiktionary, the free dictionary.

Receptor may refer to:

• Sensory receptor, in physiology, any structure which, on receiving environmental stimuli, produces an informative nerve impulse
• Receptor (biochemistry), in biochemistry, a protein molecule that receives and responds to a neurotransmitter, or other substance
• Immune receptor, a special case of biochemical receptor that occurs on the surface of immunocytes and binds to antigens

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