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Hormone receptor
Pronunciation
Definition 1
A cell protein that binds a specific hormone. The hormone receptor may be on the surface of the cell or inside the cell. Many changes take place in a cell after a hormone binds to its receptor. (NCI Dictionary)
Definition 2
Ligand binding proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell. The hormone receptor can be cytoplasmic/nuclear, or associated with the cell membrane in the case of receptors whose ligands cannot penetrate the membrane. (NCI Thesaurus)
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