[Morphological studies on the Reissner fibre in the lower vertebrates].
D000818:Animals; D002552:Cerebral Ventricles; D004805:Ependyma; D005399:Fishes / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D013116:Spinal Cord; D014562:Caudata / Q000033:anatomy & histology*
Morphologische Studie über den Reissnerschen Faden bei niederen Wirbeltieren.