Human Appendix

Definition

The human appendix is a small, tube-shaped sac attached to the lower end of the large intestine. It's considered a vestigial organ, meaning it has lost most of its original function through evolution.

Related terms

Vestigial Organ: An organ that has lost all or most of its original function in the course of evolution.

Large Intestine: The last part of the digestive tract where water is absorbed from food residues which are then excreted as feces.

Evolution:

A process that results in heritable changes in a population spread over many generations.