A new membrane organelle in developing amphibian neurones.
D000818:Animals; D001369:Axons / Q000648:ultrastructure; D002462:Cell Membrane / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D003712:Dendrites / Q000648:ultrastructure; D008854:Microscopy, Electron; D009474:Neurons / Q000648:ultrastructure*; D009940:Organoids / Q000648:ultrastructure*; D010525:Peripheral Nerves / Q000648:ultrastructure; D013116:Spinal Cord / Q000196:embryology / Q000648:ultrastructure; D014981:Xenopus / Q000196:embryology*