A sensory receptor in the skin that detects and responds to cold temperatures.
Modern scientific term combining Latin 'frigidus' (cold) plus 'receptor' (from Latin 'recipere,' to receive). Created in the 20th century to name specific nerve endings.
Your skin has specialized cold detectors called frigidoreceptors that fire up when it's cold—they're why you feel goosebumps; your body literally 'receives' the cold signal and reacts instantly!
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