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colonic diverticulosis

acquired herniations of mucosa and muscularis mucosa through the muscularis propria with wall components of mucosa, submucosa, and serosa = false diverticula of propulsion type

  • lateral diverticula: arise between mesenteric and antimesenteric teniae on opposite sides
  • antimesenteric intertenial diverticula: through the weakness in the muscular wall where nutrient arteries pass

  • "giant sigmoid diverticulum": large gas-containing cyst (air entrapment secondary to ball-valve mechanism) arising in the left iliac fossa

see: diverticular disease of colon

Yong H. Hahn, MD  -  2 February 1995
Last updated:  1 October 2013


Related CHORUS documents:
diverticular disease of colon
colonic diverticulitis
prediverticular disease of colon
hiatal hernia
colonic diverticular hemorrhage
sliding hiatal hernia


Copyright © 2013, Charles E. Kahn, Jr.