What passes through ischiorectal fossa?

Inferior rectal artery and vein. Inferior rectal nerve.

What nerve is located in the ischiorectal fossa?

Pudendal Nerve
Pudendal Nerve It accompanies the internal pudendal artery through the lesser sciatic foramen into the pudendal (Alcock’s) canal on the lateral wall of the ischioanal fossa.

What is the Puborectalis?

Puborectalis muscle forms a sling around the lower rectum when it meets the fibers from the opposite side. It acts in association with the internal and external anal sphincter in the process of defecation.

Where is the ischiorectal fossa located?

The ischioanal fossa (formerly called ischiorectal fossa) is the fat-filled wedge-shaped space located lateral to the anal canal and inferior to the pelvic diaphragm.

Where does puborectalis attach?

rectum
Puborectalis muscle They arise from the lower part of the pubic symphysis, and from the superior fascia of the urogenital diaphragm. The origin of the puborectalis fibers is at the posterior surface of the pubis while their insertion is at the midline sling posterior to the rectum.

Is puborectalis part of levator ani?

Although the puborectalis and external anal sphincter muscle form a functional unit in maintaining continence, developmental studies provide evidence that the puborectalis is anatomically a part of the levator ani muscle.

What runs along the ischial fossa and is located on the posterior pelvic wall?

The ischioanal fossa (formerly called ischiorectal fossa) is the fat-filled wedge-shaped space located lateral to the anal canal and inferior to the pelvic diaphragm….

Ischioanal fossa
TA2 2446
FMA 22059
Anatomical terminology

What is white line of Hilton?

The anocutaneous line, also called the Hilton white line or intersphincteric groove, is a boundary in the anal canal. Anocutaneous line. The interior of the anal canal and lower part of the rectum.

What is the puborectalis?

What is puborectalis syndrome?

The syndrome of paradoxical puborectalis contraction is a constellation of findings including a persistent posterior indentation of the puborectalis muscle, lack of perineal descent, a lack of straightening of the anorectal angle, and poor opening of the anal canal.

What is the importance of Hiltons line?

The anocutaneous line represents the transition point from non-keratinized stratified squamous epithelium of the anal canal to keratinized stratified squamous epithelium of the anus and perianal skin. In live persons, the color of the line is white, hence the alternative name. It is named for John Hilton.

Why pectinate line is called watershed line?

The pectinate line is called the watershed line because it separates the two entirely different parts of the anal canal (in terms of development, nerve supply, blood supply and lymphatic drainage).