Improved development of "rat egg-cylinders" in vitro as a result of fusion of the heart primordia.
D000818:Animals; D003470:Culture Media; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006321:Heart / Q000196:embryology*; D007106:Immune Sera; D010949:Plasma; D011247:Pregnancy; D014176:Protein Biosynthesis; D051381:Rats
D003470:Culture Media; D007106:Immune Sera