Gamma-Melanocyte-stimulating hormone
Gamma-Melanocyte-stimulating hormone (γ-MSH) is a melanocyte-stimulating hormone that is produced by the pituitary gland. It is a member of the melanocortin family of peptides and plays a role in the regulation of melanin production in the body.
Etymology[edit | edit source]
The term "gamma" in gamma-Melanocyte-stimulating hormone refers to the third letter of the Greek alphabet, indicating that it is the third variant of the melanocyte-stimulating hormones. The term "melanocyte" is derived from the Greek words "melas" (black) and "kytos" (cell), referring to the cells that produce melanin. The term "hormone" is derived from the Greek word "hormon", meaning "that which sets in motion".
Function[edit | edit source]
Gamma-Melanocyte-stimulating hormone is involved in the regulation of melanin production in the body. Melanin is a pigment that gives color to the skin, hair, and eyes. By stimulating the production of melanin, γ-MSH plays a role in skin pigmentation and the body's response to ultraviolet (UV) radiation.
Related Terms[edit | edit source]
- Melanocyte: A type of cell located in the bottom layer of the skin's epidermis, the middle layer of the eye, the inner ear, meninges, bones, and heart. Melanocytes produce melanin.
- Melanin: A broad term for a group of natural pigments found in most organisms.
- Melanocortin: A group of peptide hormones which include adrenocorticotropic hormone (ACTH) and the different forms of melanocyte-stimulating hormone (MSH).
- Pituitary gland: A small pea-shaped gland located at the base of the brain. It is responsible for producing and releasing a variety of hormones, including γ-MSH.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
