seed sterility 



Angiosp Turala 



seedling 



Angiosp Schopfer 



senescence 



Angiosp Loon 



sex expression 



Angiosp Berghoef 



sexual differentiation 



Fungi Wessels 



shoot 



Angiosp Bopp 



spacing 



Cyanophyc Wilcox 

 suspcnsor 



Angiosp Cionini 



theoretical study 



Frijters 

 Lindenmayer 



Acrasiales Nanjundiah 

 transcription 



F-'ungi Broek 



ultrastructure 



Acrasiales Hohl 



Angiosp Briarty 



Street 

 Turala 

 Willemse 



Equisetoph Willemse 



Fungi Hohl 



Wessels 



Gymnosp Willemse 



Xanthophyc Willemse 

 vascular tissue 



Angiosp Amer 



Siebers 



Gymnosp Denne 



PLEURA 



see Body cavities 



POLAR BODIES 



see Egg(s) 



POLARITY 



see Gradicnt(s); Symmetry 



POLE CELLS 



see Germ cells (primordial) 



POLLUTANTS 



LamcUibr Lucas 



POLYAMINES 



see Amine(s) 



POLYEMBRYONY 



Amphibia Svyatogor 

 Avcs Lutz 



Svyatogor 

 Teleostci Lutz 



POLYMORPHISM 



Insccta Lees 



Rcmbold 



Schmidt 



Steel 



Truckenbrodt 



Winkler 



Woyke 



172 



POLYPEPTIDES 



see Proteins 



POLYPLOIDY 



Insecta Kunz 



Lauge 

 Renkawitz 

 Woyke 



Mammalia Marshak 

 Nadal 

 Niemierko 

 Stroeva 



POLYSACCHARIDES 



see Carbohydrate(s) 



POSTEMBRYONIC 

 DEVELOPMENT 



see Development (post- 

 embryonic, fetal) 



POTENCY 



see F'^mbryology (experimental) 

 see also Determination; 



Pattern formation; Regulation 



PREGNANCY 



see also Embryo-maternal 



relationships; Placenta(tion) 



Amphibia ChamboUe 



Homo Gebhardt 



Hurst 

 Lansdown 



Mammalia Busch 



Colombo 



Hurst 



Lansdown 



Mercier 



Perry 



Renfree 



Tuchmann 



Ullmann 



Wilson 



Teleostei Chambolle 



PRESSURE 



see also Environmental factors 



Ascidiacea Farinella 

 Mammalia Blackburn 



PRIMITIVE STREAK 



see also Blastoderm 



Amphibia Vacek 

 Aves Vacek 



Mammalia Deuchar 

 Vacek 



PRIMORDIAL GERM CELLS 

 see Germ cells (primordial) 



PROLIFERATION 



sec Mitosis 



PRONEPHRIC DUCT 



see Urogenital system 



PRONEPHROS 



see Kidney(s) 



PROSPECTIVE MAPS 



see Embryology (cxpcriiiicntal) 



PROSTAGLANDINS 



I 



