Figure 3

Electron microphotographs of dermal chromatophores in the dorsal skin.
(A–C) Wild-type frog. (D–F) Gray-eyed frog. (G,H) Black-eyed frog. (I,J) See-through frog. Me: melanophore, Xa: xanthophore, Ir: iridophore, me: melanosome, pt: pterinosome, c.v.: carotenoide vesicle, r.p.: reflecting platelet. Arrows indicate melanosome-like structures. (Scale bar A,D,G,I: 2 μm; B,C,E,F,H,J: 500 nm)