<prompt> Anterior wall of inguinal canal is formed by musclesExternal and internal obliqueExternal, internal and transverse abdominisExternal oblique and rectus abdominisInternal oblique and transverse abdominins  <response>: INGUINAL CANAL:- Oblique intermuscular passage in the lower pa of the anterior abdominal wall. Extends from deep inguinal ring to superficial. Deep ring- oval opening in fascia transversalis.1.25 cm above mid-inguinal point. Superficial ring: triangular gap in external oblique aponeurosis. Length: 4cmDirected downwards forwards and medially. BOUNDARIES:-1. Anterior wall A. To the whole extent: skin superficialfascia and external oblique aponeurosis. B. Lateral one third: internal oblique muscle 2. Posterior wall A. Whole extend fascia transversalis, extraperitoneal tissue, the parietal peritoneum.B. Medial two third: conjoint tendon, reflected pa of inguinal ligament. 3. Roof: arched fibres of internal oblique and transversus abdominis.4. Floor: grooved upper surface of inguinal ligament. Structures passing through:-1. Spermatic cordmales Round ligament of uterus f2. Ilioinguinal nerve. Reference: BDC 6E 