Lateral to the anal canal are the pyramidal ischioanal ischiorectal fossae 1 on either side , below the pelvic diaphragm and above the perianal skin. Perineal body Urogenital diaphragm Urethra Bulb of the penis. Somatic innervation via the inferior anal nerves branches of the pudendal nerve. Anal canal cancer or rectal cancer infiltrating into the anal canal spreads to the superficial inguinal lymph nodes. This article uses anatomical terminology; for an overview, see Anatomical terminology. Anococcygeal ligament Coccyx and sacrum.
Historically canals were of immense importance to commerce and the development, growth and vitality of a civilization. In the Lehigh Canal carried over The anal canal is the final segment of the gastrointestinal tract, extending between the rectum and the anus. It has an important role in defecation and maintaining. Imperforate anus is a congenital anomaly in which the anal canal fails (completely or incompletely) to open to the exterior. The rectum may also be abnormal (e.g.