viscus

Any one of the interior organs of the body, contained in one of the four great cavities of the head, thorax, abdomen, and pelvis, as the brain, heart, lung, liver, stomach, intestine, kidney, bladder, womb, etc.; especially, an abdominal viscus, as the intestine: in ordinary language generally in the plural, meaning the bowels or entrails; the vitals.

One of the organs, as the brain, heart, or stomach, in the great cavities of the body of an animal; — especially used in the plural, and applied to the organs contained in the abdomen.

One of the organs, as the brain, heart, or stomach, in the great cavities of the body of an animal; especially used in the plural, and applied to the organs contained in the abdomen.

Specifically, the intestines.

a main organ that is situated inside the body