inion [
'ɪnɪən]
[医] 枕外隆凸尖
inion[ noun ]
the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
<noun.body>
Inion \In"i*on\, n. [NL., fr. Gr. 'ini`on the back of the head.]
(Anat.)
The external occipital protuberance of the skull.