title: The accessory optic system in Erinaceus (Insectivora) and Galago (primates).
mesh_terms: D000818:Animals; D003624:Darkness; D007312:Eulipotyphla / Q000033:anatomy & histology; D005829:Geniculate Bodies / Q000166:cytology; D000882:Haplorhini / Q000033:anatomy & histology; D008867:Microtomy; D009410:Nerve Degeneration; D009899:Optic Lobe, Nonmammalian / Q000033:anatomy & histology; D009900:Optic Nerve / Q000166:cytology; D011323:Primates / Q000033:anatomy & histology*; D013045:Species Specificity; D003336:Tectum Mesencephali / Q000166:cytology*; D009626:Terminology as Topic; D013788:Thalamus / Q000166:cytology