Fossa ischiorectalis

The video tutorial provides an in-depth analysis of the rectal fossa, focusing on its anatomical structure, including the prismatic shape and the various muscles and fascia that form its boundaries. It discusses the contents of the fossa, such as fat lobules and neurovascular structures, and highlights the clinical significance, particularly the potential for infection and the formation of a horseshoe abscess.

What structures are contained within the ischiorectal fossae?

Explain the clinical significance of the communication between the two fosses in the perineum.