**The lower ileocecal pouch (ileocecal fossa)** is an anatomical formation in the form of a depression located on the posterior wall of the subserosal membrane of the descending colon and retroperitoneal tissue.
The term “ileocecal” means borrowed from the Latin language (ileo - “following”, and caecum - “intestines”), this term combines two different concepts: “colon” and “cecum with appendix”.
An ileocecal inferior pouch results from spasm of the medial uterine fold during pregnancy. During childbirth, the uterus contracts and the uterine wall tightens, which leads to the formation of folds and the formation of the inferior ileocecal fossa. For many years, people did not have an accurate understanding of the functions of this formation. The study of the functions of the ileoceal inferior recess has lasted from the moment of its discovery to the present time. Certain elements of the anatomical structure of various specialists of the 20th century were based on data from previous studies, in connection with this, some authors indicated false