Vestigial
(adj) Of, relating to, or constituting a vestige; remaining as a trace of something that once existed but is no longer functional or necessary.
The appendix is a vestigial organ in humans, serving no apparent purpose in modern physiology.
(adj) Of, relating to, or constituting a vestige; remaining as a trace of something that once existed but is no longer functional or necessary.
The appendix is a vestigial organ in humans, serving no apparent purpose in modern physiology.