Skip to Content

transversus abdominis (muscle)

 

Definition: 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.

Synonym(s): musculus transversus abdominisTA, musculus transversalis abdominis, transverse muscle of abdomen

Disclaimer: This site is designed to offer information for general educational purposes only. The health information furnished on this site and the interactive responses are not intended to be professional advice and are not intended to replace personal consultation with a qualified physician, pharmacist, or other healthcare professional. You must always seek the advice of a professional for questions related to a disease, disease symptoms, and appropriate therapeutic treatments.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
Hide