internal; inward; -- opposed to external.-internal with regard to a state or country; domestic; not foreign; -- applied usually to that which is evil; as, intestine disorders, calamities, etc.-depending upon the internal constitution of a body or entity; subjective.-shut up; inclosed.-that part of the alimentary canal between the stomach and the anus. see illust. of digestive apparatus.-the bowels; entrails; viscera.