Neural induction and differentiation with minimal numbers of cells.
D000818:Animals; D001001:Anura; D002454:Cell Differentiation; D002490:Central Nervous System / Q000166:cytology / Q000196:embryology*; D046508:Culture Techniques; D004475:Ectoderm / Q000166:cytology*; D004625:Embryo, Nonmammalian / Q000166:cytology; D005314:Embryonic and Fetal Development; D008648:Mesoderm / Q000166:cytology*