Linea alba (abdomen)

Linea alba (abdomen)

Infobox Anatomy
Name = Linea alba
Latin =
GraySubject = 118
GrayPage = 417


Caption = Diagram of sheath of Rectus.



Caption2 = The Obliquus externus abdominis.
System =
MeshName =
MeshNumber =
DorlandsPre = l_10
DorlandsSuf = 12496016
The linea alba is a fibrous structure that runs down the midline of the abdomen in humans and other vertebrates. The name means "white line" and the linea alba is indeed white, being composed mostly of collagen connective tissue.

It is formed by the fusion of the aponeuroses of the abdominal muscles, and it separates the left and right rectus abdominis muscles. In muscular individuals its presence can be seen on the skin, forming the depression between the left and right halves of a "six pack."

Because it consists of only connective tissue, and doesn't contain important nerves or blood vessels, a "median incision" through the linea alba is a common surgical approach.


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External links

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Look at other dictionaries:

  • Linea alba — can refer to: * Linea alba (abdomen) * Linea alba (teeth) …   Wikipedia

  • línea alba — línea que se extiende desde la apófisis xifoides hasta la sínfisis del pubis y que contiene el ombligo. Representa la fusión de tres aponeurosis en una banda tendinosa simple [A04.5.01.022] imagen anatómica [véase http://www.iqb.es/diccio/l/linea …   Diccionario médico

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  • Línea alba — Corte transversal de la pared abdominal, arriba de la línea arcuata, donde se muestra la línea alba. La línea alba es una estructura fibrosa que recorre de manera descendente la línea media del abdomen en los humanos y otros vertebrados. El… …   Wikipedia Español

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  • Linea nigra — (Latin for black line ) is a dark vertical line that appears on the abdomen during pregnancy. The brownish streak is usually about a centimeter in width. The line runs vertically along the midline of the abdomen from the pubis to the xiphoid… …   Wikipedia

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  • linea nigra — a name given the tendinous mesial line of the abdomen (l. alba) when it has become pigmented in pregnancy. Linea nigra in the third trimester of pregnancy …   Medical dictionary

  • longitudinal ligament of abdomen — linea alba …   Medical dictionary

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