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receptor

Syllabification: (re·cep·tor)

Pronunciation: /riˈseptər/

Definition of receptor

noun

Physiology

an organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve.
a region of tissue, or a molecule in a cell membrane, that responds specifically to a particular neurotransmitter, hormone, antigen, or other substance.