title: Topological analysis of the brain stem: a general introduction.
mesh_terms: D000557:Ambystoma / Q000033:anatomy & histology*; D000818:Animals; D005075:Biological Evolution; D001931:Brain Mapping / Q000379:methods*; D001933:Brain Stem / Q000033:anatomy & histology*; D002552:Cerebral Ventricles / Q000033:anatomy & histology; D005399:Fishes / Q000033:anatomy & histology*; D008961:Models, Structural; D009893:Opossums / Q000033:anatomy & histology*; D011893:Rana esculenta / Q000033:anatomy & histology*; D013045:Species Specificity; D014426:Turtles / Q000033:anatomy & histology*