The fine structure of the visual system of Lycosa (Araneae: Lycosidae). I. Retina and optic nerve.
D008854:Microscopy, Electron; D009900:Optic Nerve / Q000166:cytology*; D010786:Photoreceptor Cells; D012160:Retina / Q000166:cytology*; D013112:Spiders / Q000033:anatomy & histology*