Linea nigra
Linea Nigra
Linea Nigra (pronounced: /ˈliːniə ˈniːɡrə/) is a dark vertical line that appears on the abdomen during about three quarters of all pregnancies. The line runs vertically along the midline of the abdomen from the pubis to the umbilicus, but can also run from the pubis to the top of the abdomen.
Etymology
The term "Linea Nigra" is derived from the Latin words "linea" meaning line, and "nigra" meaning black. It is named for its appearance as a dark line on the abdomen.
Related Terms
- Melanocyte: A type of skin cell that produces and contains the pigment called melanin.
- Melanin: The pigment that gives human skin, hair, and eyes their color.
- Pregnancy: The state of carrying a developing embryo or fetus within the female body.
- Hormones: Chemical substances produced in the body that control and regulate the activity of certain cells or organs.
- Estrogen: A group of hormones that play an important role in the normal sexual and reproductive development in women.
Causes
Linea Nigra is caused by the increased production of the hormone Estrogen during pregnancy, which stimulates the production of Melanin by Melanocytes. This increased melanin production leads to hyperpigmentation of the skin along the midline of the abdomen, resulting in the appearance of Linea Nigra.
Treatment
Linea Nigra is a normal part of pregnancy and does not require treatment. It typically fades away on its own within a few months after delivery. However, if it causes distress, cosmetic treatments such as skin lightening creams or laser treatments can be considered after discussing with a healthcare provider.
External links
- Medical encyclopedia article on Linea nigra
- Wikipedia's article - Linea nigra
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