Exceptions to bilateral symmetry in the epithalamus of lower vertebrates.
D000663:Amphibians / Q000033:anatomy & histology*; D000818:Animals; D001001:Anura / Q000033:anatomy & histology; D004027:Diencephalon / Q000033:anatomy & histology*; D004524:Eels / Q000033:anatomy & histology*; D007839:Functional Laterality; D013194:Staining and Labeling; D014562:Caudata / Q000033:anatomy & histology