Eye of a Crayfish

| View Cart ⇗ | Info

A, section through the compound eye of a crayfish. Labels: 1, cornea; 2, crystaline cones; 3, retinulae; 4, pigment cells; 5, cuticle; 6, epithelium; n, optic nerve; g, ganglia. B, A single element (ommatidium) from the compound eye of a crayfish. Labels: 1, corneal lens; 2, corneal cells; 3, crystalline cone cells; 4, 5, outer and inner parts of the crystalline cone; p, pigment cells; r, retinula; R, rhabdome; b, basement membrane.

Keywords

eye, crayfish, "optic nerve", "pigment cells"

Galleries

Crustaceans

Source

Beach, Fredrick Converse The Encyclopedia Americana (New York, NY: The Americana Company, 1903)

Downloads

TIFF (full resolution)

2168×2400, 1.1 MiB

Large GIF

925×1024, 185.0 KiB

Medium GIF

578×640, 93.1 KiB

Small GIF

289×320, 30.0 KiB