- Present on the developing human fetus, usually regresses by the 8th week of development.
- In humans the vermiform appendix is a vestigial structure; It has lost much of its ancestral function.
- Wisdom teeth is also a form of vestigial tail. Vestigial tail is third morals that humans ancestors used to help in growing down plant tissue.
Historically there was a trend not only to dismiss the vermiform appendix as being uselessly vestigial, but an anatomical hazard, a liability to dangerous inflammation .