digestive system n.
The alimentary canal and digestive glands regarded as an integrated system responsible for the ingestion, digestion, and absorption of foodstuffs and the elimination of associated wastes. Also called alimentary system.
| outer later that protects the vessel |
| study of the structure of the body and its parts without the use of a microscope |
digestive system (dī-jěs'tĭv) Pronunciation Key
(click for larger image in new window) The alimentary canal together with the salivary glands, liver, pancreas, and other organs of digestion. |
The organs and glands in the body that are responsible for digestion. The digestive system begins with the mouth and extends through the esophagus, stomach, small intestine, and large intestine, ending with the rectum and anus. Other organs in this system include the liver, pancreas, gallbladder, and appendix.