vestigial
vestigial Referring to a vestige (remnant) or a primitive structure and no longer believed to be important. For example, the appendix is considered a vestigial organ, and some infants are born with vestigial tails.
vestigial Referring to a vestige (remnant) or a primitive structure and no longer believed to be important. For example, the appendix is considered a vestigial organ, and some infants are born with vestigial tails.