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  1. Oxford Dictionary

    receptor

    • IPA[rɪˈsɛptə]

    英式

    • n.
      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, which responds specifically to a particular neurotransmitter, hormone, antigen, or other substance

    • noun: receptor, plural noun: receptors

    • 釋義

    名詞

    • 1. an organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve the retina of the octopus has up to 20 million light receptors
    • ▪ a region of tissue, or a molecule in a cell membrane, which responds specifically to a particular neurotransmitter, hormone, antigen, or other substance when viruses succeed in binding to cell membrane receptors they still have to enter the cell before they can replicate