1. [ noun ] (zoology,physiology) 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
Related terms: structure beta-adrenergic_receptor alpha-adrenergic_receptor
2. [ noun ] (zoology) 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
Related terms: effector organ eye ear baroreceptor stretch_receptor organ_of_hearing chemoreceptor semicircular_canal inner_ear thermoreceptor lateral_line enteroceptor exteroceptor third_eye sensory_system papilla
Similar spelling:   receipt