Dictionary of Cancer Terms
View in Spanish: Receptor de la progesterona
Progesterone receptor (proh-JES-teh-rone reh-SEP-ter)
A protein found inside the cells of the female reproductive tissue, some other types of tissue, and some cancer cells. The hormone progesterone will bind to the receptors inside the cells and may cause the cells to grow. Also called PR.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.