The incus is one of the three auditory ossicles.
The eyeballs were surrounded by a ring of bones, the sclerotic ossicle, which probably protected their eyes when diving abruptly for prey.
See Also: os
Wikipedia foundation.
The incus is one of the three auditory ossicles.
The eyeballs were surrounded by a ring of bones, the sclerotic ossicle, which probably protected their eyes when diving abruptly for prey.
Wikipedia foundation.