progesterone receptor

Pronunciation: (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: NCI Dictionary of Cancer Terms

2005-05-23 Date last modified: 2008-01-15