cornea AAO:0010344 BTO:0000286 CALOHA:TS-0171 Compared to terrestial animals, the cornea of zebrafish is relatively flat. It consists of nonpigmented, stratified squamous nonkeratinizing epithelial cells, attached to a thick basement membrane that is considered to be analogous to the Bowman’s membrane in mammals. In fish, and aquatic vertebrates in general, the cornea plays no role in focusing light, since it has virtually the same refractive index as water EFO:0000377 EHDAA2:0000316 EHDAA:10199 EMAPA:17161 EV:0100341 FMA:58238 GAID:892 MA:0000266 MESH:A09.371.060.217 OpenCyc:Mx4rvViBa5wpEbGdrcN5Y29ycA TAO:0000640 UBERON:0000964 UMLS:C0010031 VHOG:0000164 XAO:0000180 ZFA:0000640 cornea of camera-type eye corneal the transparent anterior portion of the fibrous coat of the eye that serves as the chief refractory structure tunica cornea uberon surface structure multicellular anatomical structure neural crest-derived structure