These surface features are attachment sites for muscles and ligaments of the shoulder.

Once identified, the remaining soft tissue is removed from the attachment site.

"There are tons of gravel, and it serves as an attachment site for the bacteria that treats the water," he said.

During this time, the remora can move its attachment site if it feels threatened.

It may have evolved to provide new attachment sites for jaw muscles.

In fact, one study concluded that at least two attachment sites are necessary by inducing synthetic agents.

It served as an attachment site for the muscles that held up their large parascapular spines.

Without an appropriate attachment site, there can be no invasion.

It is also the attachment site for the poly-A tail.

Its shoulders formed a withers that would have served as an attachment site for especially strong muscles.