Number and polarity of the ependymal cilia in the central canal of some vertebrates.
D000818:Animals; D001001:Anura / Q000033:anatomy & histology*; D002923:Cilia / Q000648:ultrastructure*; D010856:Columbidae / Q000033:anatomy & histology*; D003530:Cyprinidae / Q000033:anatomy & histology*; D004805:Ependyma / Q000648:ultrastructure*; D006054:Goldfish / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D011817:Rabbits / Q000033:anatomy & histology*; D051381:Rats / Q000033:anatomy & histology*; D013045:Species Specificity