Hormone, progesterone
A female hormone, progesterone is the principal progestational hormone. Progestational hormones prepare the uterus (the womb) to receive and sustain the fertilized egg.

Medical dictionary. 2011.

Look at other dictionaries:

  • hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

  • Progesterone — A female hormone, progesterone is the principal progestational hormone. Progestational hormones prepare the uterus (the womb) to receive and sustain the fertilized egg. * * * An antiestrogenic steroid, believed to be the active principle of the… …   Medical dictionary

  • progesterone receptor test — A lab test to find out if cancer cells have progesterone receptors (proteins to which the hormone progesterone will bind). If the cells have progesterone receptors, they may need progesterone to grow, and this can affect how the cancer is treated …   English dictionary of cancer terms

  • progesterone receptor negative — PR . Describes cells that do not have a protein to which the hormone progesterone will bind. Cancer cells that are PR do not need progesterone to grow, and usually do not stop growing when treated with hormones that block progesterone from… …   English dictionary of cancer terms

  • progesterone receptor positive — PR+. Describes cells that have a protein to which the hormone progesterone will bind. Cancer cells that are PR+ need progesterone to grow and will usually stop growing when treated with hormones that block progesterone from binding. Also called… …   English dictionary of cancer terms

  • progesterone receptor — PR. 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 …   English dictionary of cancer terms

  • Progesterone receptor — PDB rendering based on 1a28 …   Wikipedia

  • Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione …   Wikipedia

  • Hormone replacement therapy (male-to-female) — Hormone replacement therapy (HRT) for transgender and transsexual people replaces the hormones naturally occurring in their bodies with those of the other sex. However, not all cases of hormone replacement therapy are used by transgendered people …   Wikipedia

  • Hormone replacement therapy (menopause) — Hormone replacement therapy (HRT) is a system of medical treatment for surgically menopausal, perimenopausal and to a lesser extent postmenopausal women. It is based on the idea that the treatment may prevent discomfort caused by diminished… …   Wikipedia

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