Retineum

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Retineum \Ret`i*ne"um\, n.; pl. {Retinea}. [NL. See {Retina}.]
     (Zool.)
     That part of the eye of an invertebrate which corresponds in
     function with the retina of a vertebrate.
     [1913 Webster]