:10
:09
:08
:07
:06
:05
:04
:03
:02
:01
| the offspring of a zebra and a donkey. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
periosteum per·i·os·te·um (pěr'ē-ŏs'tē-əm)
n. pl. per·i·os·te·a (-tē-ə)
The thick fibrous membrane covering the entire surface of a bone except its articular cartilage and serving as an attachment for muscles and tendons.