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Medical Definition of Rectus abdominis
1. A long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents. It is frequently the site of haematomas. In reconstructive surgery it is often used for the creation of myocutaneous flaps. (12 Dec 1998)
Lexicographical Neighbors of Rectus Abdominis
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