|the first portion of the colon, beginning at the cecum in the lower right abdominal cavity and continuing upward along the right posterior abdominal wall to approximately the lower ribs.|
|n. thickened muscular ring surrounding the opening between the esophagus and the stomach|
ileum il·e·um (ĭl'ē-əm)
n. pl. il·e·a (-ē-ə)
The third and terminal portion of the small intestine, extending from the jejunum to the cecum.
|ileum (ĭl'ē-əm) Pronunciation Key
The lower part of the small intestine, connecting the jejunum to the cecum of the large intestine.