PATHOLOGY (developmental) 

 see also Anomalies; Bacteria; 



Malformations; 



Teratogenesis; Virus(es) 



experimental study 



Insecta 

 feathers 



Aves 

 genetics 



Insecta 

 imaginal disc 



Insecta 



Meet 



Sengel 



Kroeger 



Ouweneel 

 Sprey 



limb 



Aves 



Mammalia 

 neural plate 



Amphibia 

 position 



Aves 

 positional information 



Insecta Lawrence 



stability 



Cephalop 

 testis 



Homo 



Wolpert 

 Kocher 



Woellwarth 



Curtis 



Marthy 



Posinovec 



PELVIC GIRDLE 

 see Skeleton 



PEPTIDES 



see Proteins 



PERITONEUM 

 see Body cavities 



PERIVITELLINE FLUID 



see Egg(s) 



PERMEABILITY 



Amphibia Dick 



Hansson 

 Lovtrop 

 Schultheiss 



Mammalia Bara 



PESTICIDES 



Aves 



Mammalia 



Bruel 

 David 

 Didier 

 Henou 



Lutz 

 Meiniel 

 Berton 

 Mankowska 



PHARMACOLOGY 

 see Drug(s) 



PHARYNX 



see also Branchial region; 

 Mouth 



Aves Lelievre 



Turbellaria Bautz 

 Schilt 

 Stephan 



PHENOCOPIES 



Aves Landauer 



Insecta Capdevila 



Mammalia Kocher 



PHOSPHORUS 



see Chemical elements 



PHYLOGENESIS 



Korotkova 



Zotin 

 Amniota Matejka 



Slaby 

 Amphibia Hinchliffe 

 Brachiopoda Emig 

 Crossopter Hincliliffe 

 Homo Matejka 



Mazhuga 



Slaby 

 Insecta Eppenberger 



Mammalia Mazhuga 



Schmidt 

 Phoronidea Emig 

 Teleostei Tcherniaev 

 Vertebrata Colin 



Eppenberger 



Nieuwkoop 



Presley 



PHYSICAL FACTORS 



see specific physical agents; 

 Environmental factors 



PHYSIOLOGY (developmental) 

 see Embryology (experi- 

 mental); Embryology 

 (physiological) 

 see also Development 



PIGMENT(ATION) 



see also Chromatophore(s); 

 Melanophore(s); 

 Neural crest 



PINEAL ORGAN (& para- 

 pineal organ) 



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