vestigial organ

Hill feels like a vestigial organ, not critical to the operation.

Its lungs are either not present or reduced to vestigial organs.

It is a vestigial organ which has degraded to nearly nothing in the course of evolution.

These are vestigial organs, meaning they have evolved and are no longer in use.

Prior to this, the thymus was believed to be a vestigial organ with no function.

Occasionally, selection turns vestigial organs to a new function.

Vestigial organs often have some selection against them.

It had become almost a vestigial organ.

While some anatomy experts think it is only a vestigial organ, not all would agree with your teacher that it has no function.

Many organisms have vestigial organs, which are the remnants of fully functional structures in their ancestors.

The eyes of all moles are very small, in some species actually not opening to the outside, and of little value to them: vestigial organs.

Later versions of Wiedersheim's list were expanded to as many as 180 human "vestigial organs".

And new economic realities emerged abroad that threatened to transform the antitrust division into a vestigial organ of the legal system.

Drivers, their winter skills gone dormant like some vestigial organ, slid off the roads in droves.

But the body's junk drawer is full of vestigial organs, or souvenirs of our evolutionary past.

German anatomist Robert Wiedersheim included it in his list of 86 vestigial organs.

Mr. Mannering thought that very probably these were vestigial organs, a heritage from some period when the plant had been a climber.

Some vestigial organ like the appendix?

Lucky to be able to look down and see my body as a vestigial organ, a life-support system that doubles as an anchor?

Buffon also drew attention to vestigial organs.

Vestigial organs are organs of the body which are smaller and simpler than those in related species.

"It's some sort of vestigial organ."

In the present world, what with cellphones and Botox, you might think the eyebrow would have degenerated into a vestigial organ, like the appendix.

Originally, the sublingua in lemurs was thought to be a vestigial organ inherited from primitive mammalian ancestors.

Vestigial structures are often called vestigial organs, although many of them are not actually organs.