The morphology of the eyes of Limulus. II. Ommatidia of the compound eye.
D000818:Animals; D002462:Cell Membrane; D002856:Chromatophores; D003445:Crustacea / Q000033:anatomy & histology*; D003593:Cytoplasm; D005123:Eye / Q000166:cytology*; D008854:Microscopy, Electron; D009457:Neuroglia; D009474:Neurons