Search Results for: Eyes
primitive fish, this ring consists of four plates, but the number is lower in many living ray-finned fishes , and much higher in lobe-finned fishes , various reptiles , and birds . the ring has disappeared in many groups, including living amphibians , some reptiles and fish, and all mammals . [ ] the eyes
called the stroma. the sclera, like the cornea, contains a basal endothelium, above which there is the lamina fusca, containing a high count of pigment cells. [ ] sometimes, very small gray-blue spots can appear on the sclera, a harmless condition called scleral melanocytosis. function[ edit ] human eyes...
https://en.wikipedia.org/wiki/Sclera