A new method of local vital staining of amphibian embryos using ficoll and "crystals" of Nile Red.
D000663:Amphibians / Q000196:embryology*; D000818:Animals; D004396:Coloring Agents; D003461:Crystallography; D004625:Embryo, Nonmammalian / Q000166:cytology*; D005260:Female; D005306:Fertilization; D005362:Ficoll; D010063:Ovum / Q000166:cytology*; D013194:Staining and Labeling / Q000379:methods*; D014817:Vitelline Membrane
D004396:Coloring Agents; D005362:Ficoll