The elongation of the primitive streak and the localization of the presumptive chorda-mesoderm on the early chick blastoderm studied by means of coloured marks with nile blue sulfate.
D000818:Animals; D001756:Blastoderm; D002645:Chickens; D004396:Coloring Agents; D005855:Germ Layers; D008648:Mesoderm; D010078:Oxazines; D054240:Primitive Streak; D013194:Staining and Labeling
D004396:Coloring Agents; D010078:Oxazines; C008619:Nile Blue
GERMINAL LAYERS; STAINS AND STAINING