Intersphinctric groove : Is a groove in lower half of anal canal between lower end of internal anal sphincter and external anal sphincter شیاری در نیمه […]
Perinealbody: Is a pyramidal fibromuscular mass in the middle line of the perineum at the junction between the urogenital triangle and the anal triangle توده ای […]
Retropubicspace : Is the extraperitoneal space between the pubic symphysis and the urinary bladder فضای خارج صفاقی است که مابین سمفیز پوبیس و مثانه قرار دارد
External anal sphincter : Is a layer of voluntary (striated) muscle encircling the outside wall of the anal canal and anal opening. It consists of three […]
Internal anal sphincter :Is an involuntary smooth muscle sphincter located at the distal extremity of the gastrointestinal (GI) tract یک اسفنکتر غیر ارادی ازعضله صاف است […]