Some unresolved mysteries in the anatomy of the visual system.
D000818:Animals; D005123:Eye / Q000033:anatomy & histology; D005829:Geniculate Bodies / Q000033:anatomy & histology*; D000882:Haplorhini; D011323:Primates / Q000033:anatomy & histology; D012160:Retina / Q000033:anatomy & histology; D014793:Visual Cortex / Q000033:anatomy & histology