Veterinary Gross Anatomy-II

TRANSVERSUS ABDOMINIS 

• This is the most medial of the abdominal muscles. It extends from the sternum to pubis and lies between the aponeurotic portion of the internal oblique muscle laterally and that of the transverse abdominis medially. It is a powerful, wide, band-like muscle.
• Origin: M edial faces of the cartilages of the asternal ribs and the transverse processes of the first four lumbar vertebrae.
• Insertion: Linea alba.