Abdominal wall
Abdominal Wall
The Abdominal Wall (pronunciation: /æbˈdɒmɪnəl wɔːl/) is a protective layer that surrounds the abdomen. It is composed of skin, fat, muscles, and connective tissues, and serves to protect the internal organs within the abdomen.
Etymology
The term "Abdominal Wall" is derived from the Latin words "abdomen" meaning "belly" and "wall" meaning "a protective barrier or enclosure".
Structure
The Abdominal Wall is made up of several layers:
- The outermost layer is the skin, which provides a barrier against external threats.
- Beneath the skin is a layer of subcutaneous fat, which serves as insulation and a source of energy.
- The next layer is composed of three flat muscles: the external oblique muscle, the internal oblique muscle, and the transversus abdominis muscle. These muscles help in the movement and support of the torso.
- The innermost layer is the peritoneum, a thin membrane that lines the abdominal cavity and covers the abdominal organs.
Function
The primary function of the Abdominal Wall is to protect the organs within the abdomen. It also plays a role in breathing, as the muscles of the abdominal wall contract and relax during respiration. Additionally, the muscles of the abdominal wall are involved in various movements of the torso, such as bending and twisting.
Related Terms
External links
- Medical encyclopedia article on Abdominal wall
- Wikipedia's article - Abdominal wall
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