Retinula is a 8 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 11 points.
You can make 433 anagrams from letters in retinula (aeilnrtu).
From New Latin, dating back to 1875-80; See origin at retina, -ule
retinula -ae: the retina of a single ocellus: the nerve fibres or cells between pigment cells and retina of the compound eye.
Rhabdom: the rod lying in the axis of the retinula, below the crystalline cone of an eye.