[医] 眼色素层, 葡萄膜

[ noun ]
the part of the eye that contains the iris and ciliary body and choroid
<noun.body>

Uvea \U"ve*a\, n. [NL., fr. L. uva grape.] (Anat.)
The posterior pigmented layer of the iris; -- sometimes
applied to the whole iris together with the choroid coat.