Cecum盲肠 Blind sac, first part of large intestine, with largest diameter and thinnest wall Lies in right iliac fossa The ilium enters the cecum obliquely, and partially invaginates into it, forming the ileocecal valve-consists of two folds, probably delays flow of ileal contents into large intestineCecum 盲肠 • Blind sac, first part of large intestine, with largest diameter and thinnest wall • Lies in right iliac fossa • The ilium enters the cecum obliquely, and partially invaginates into it, forming the ileocecal valve－consists of two folds, probably delays flow of ileal contents into large intestine