the world > health and disease > ill health > a disease > disorders of internal organs > disorders of bowels or intestines > [noun] > intussusception > parts involved (2)
The middle and the innermost tubes of intestine (taken together) of the three present in an intussusception; also (less commonly), the innermost…
The outermost of the three tubes of intestine which are present in an intussusception, and into which the other two are inserted.