Meaning & use
receptor
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A specialized cell or protein that detects a specific stimulus, such as light or a chemical signal, and responds to it.
See it in a sentence
Pain receptors in the skin send signals to the brain when you touch something hot.
The drug works by binding to receptors on the surface of nerve cells.
A note on using this word
A key term in biology and medicine, frequently used in discussions of the nervous system, senses, and pharmacology.
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