Diverticula are described as being true or false depending upon the layers involved: *False diverticula (also known as "pseudodiverticula") do not involve muscular layers or adventitia. False diverticula, in the gastrointestinal tract for instance, involve only the submucosa and mucosa. *True diverticula involve all layers of the structure, including muscularis propria and adventitia, such as Meckel's<unk> .
Diverticulum
Anal fissure
Sigmoidocele
Devon colic
Volvulus
Enterocele
Perianal hematoma
Proctocolitis