Medical Definition of Musculus rectus abdominis
1.
Muscle of ventral abdominal wall, flanking the linea alba, and characterised by tendinous intersections separating its length into multiple bellies; origin, crest and symphysis of the pubis; insertion, xiphoid process and fifth to seventh costal cartilages; action, flexes lumbar vertebral column, draws thorax downward toward pubis; nerve supply, thoracoabdominal nerves.
Synonym: musculus rectus abdominis, rectus muscle of abdomen.
(05 Mar 2000)
Lexicographical Neighbors of Musculus Rectus Abdominis
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