title: Ultrastructural studies on the ontogenesis of the caudal neurosecretory system in the roach, Leuciscus rutilus.
mesh_terms: D000818:Animals; D001369:Axons / Q000166:cytology; D003530:Cyprinidae / Q000196:embryology*; D003594:Cytoplasmic Granules; D004805:Ependyma / Q000166:cytology; D008854:Microscopy, Electron; D009490:Neurosecretory Systems / Q000166:cytology / Q000196:embryology*