<P> In humans , the large intestine begins in the right iliac region of the pelvis , just at or below the waist , where it is joined to the end of the small intestine at the cecum , via the ileocecal valve . It then continues as the colon ascending the abdomen , across the width of the abdominal cavity as the transverse colon , and then descending to the rectum and its endpoint at the anal canal . Overall , in humans , the large intestine is about 1.5 metres ( 5 ft ) long , which is about one - fifth of the whole length of the gastrointestinal tract . </P>
<P> In humans , the large intestine begins in the right iliac region of the pelvis , just at or below the waist , where it is joined to the end of the small intestine at the cecum , via the ileocecal valve . It then continues as the colon ascending the abdomen , across the width of the abdominal cavity as the transverse colon , and then descending to the rectum and its endpoint at the anal canal . Overall , in humans , the large intestine is about 1.5 metres ( 5 ft ) long , which is about one - fifth of the whole length of the gastrointestinal tract . </P>
first part of the large intestine medical term
first part of the large intestine medical term
cecum
cecum