title: The development of the isthmo-optic nucleus in the duck (Anasplatyrhynchos) I. Changes in cell number and cell size during normal development.
mesh_terms: D000367:Age Factors; D000818:Animals; D002452:Cell Count; D004372:Ducks / Q000196:embryology*; D008636:Mesencephalon / Q000166:cytology / Q000196:embryology*; D008854:Microscopy, Electron; D009434:Neural Pathways; D009476:Neurons, Efferent; D012160:Retina / Q000196:embryology*; D013477:Superior Colliculi / Q000196:embryology; D014795:Visual Pathways / Q000166:cytology / Q000196:embryology*