transversus abdominis (muscle)

(redirected from musculus transversalis abdominis)
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Related to musculus transversalis abdominis: Transverse abdominis

trans·ver·sus ab·do·mi·nis (mus·cle)

deepest layer of flat muscles of the anterolateral abdominal wall; origin, seventh to twelfth costal cartilages, lumbar fascia, iliac crest, and inguinal ligament; insertion, xiphoid cartilage and linea alba and, through the conjoint tendon, pubic tubercle and pecten; action, compresses abdominal contents; rotates and flexes trunk; nerve supply, lower thoracic.
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