True statement about anatomy of anal canal
The anal canal is the most terminal pa of the lower GI tract/large intestine, which lies between the anal verge in the perineum below and the rectum above. The description in this topic is from below upwards, as that is how this region is usually examined in clinical practice. <img src=" /> Ref - sciencedirect.com
Puborectalis is essential to maintain continence
Internal sphincter is skeletal muscle
Internal sphincter remains in the state of tonic contraction
External sphincter is supplied by gluteal nerve
Abdomen and pelvis