uvea

from WordNet (r) 3.0 (2006)

uvea
    n 1: the part of the eye that contains the iris and ciliary body
         and choroid

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster]