ANIMAL GRADIENT (ani- 

 malization) 



see Gradients 



see also Embryology (expe- 

 rimental); Embryology 

 (physiological) 



ANOMALIES (early 



development) 

 see also Pathology; 



Teratogenesis 



ARCHENTERON (roof) 



see Gastrulation; Neurulation 



see also Induction 



BEHAVIOUR (embryonic & 

 postnatal) 



karyotype 

 Homo 



Sasaki 



ANOMALIES (later 



development) 

 see Malformations 

 see also Teratogenesis 



ANOXIA 



see Respiration 



ANTIBIOTICS 



see also Actinomycin 



Amphibia Wolsky 

 Aves Shepard 



Echinoidea Wolsky 



133 



