SEMEN 



see Reproduction (sexual) 



SENSE ORGANS 

 see also specific organs; 

 Placodes 



Amphibia Hibbard 



Kawakami 

 Aves Oppenheim 



Mammalia Hild 

 Invertebr Eakin 



SERUM 

 see Blood 



SEX CHROMATIN 



see Nucleus 



SEX DETERMINATION 

 see also Sexual development 



Amphibia Richards 

 Homo Moore 



Insecta Camargo 



Kerr 



Postlethwait 

 Poulson 

 Mammalia Moore 



SEX DIFFERENTIATION 



see Sexual development 



SEX HORMONES 

 see Hormones 



SEX-RATIO 



see Sexual development 



SEX-REVERSAL 



see Sexual development 



SEXUAL DEVELOPMENT 



see also specific sex organs; 

 Reproductive system; 

 Sex determination 



Vertebrata Asayama 

 endocrinology 



Aves Noumura 



Robertson 

 Mammalia Noumura 

 Teleostei Huang 



Takahashi 

 experimental study 

 Amphibia Hsu 

 Liang 

 hermaphroditism 



Mammalia Allison 



Gumbreck 

 Whitten 

 sex differentiation 



Amphibia Iwasawa 



Kawamura 

 Nishioka 

 Teleostei Hishida 



Takahashi 

 sex ratio & karyotype 



Homo Sasaki 



sex reversal 



Teleostei Hishida 

 spontaneous chimeras 

 Mammalia Whitten 



SHELL 



see Egg(s); Integument 



SHELL GLAND 



see Integument; Oviduct 



SHOULDER GIRDLE 



see Skeleton 



SKELETON 



see also specific parts; 

 Bone(s); Cartilage 



Echinoidea Uemura 



Mammalia Schryver 

 calcitonin teratogenesis 



Mammalia Asling 

 exostosis 



Mammalia Shupe 

 fracture healing & sex hormones 



Mammalia Beresford 

 hormonal control 



Aves Hall 



limb 



Aves Goff 



Homo Gray 



malformations 



Homo Carmona 



Tanaka 

 ossification 



Homo Meyer 



Mammalia Sekeles 

 Urist 

 ossification age 



Homo Jit 



osteopetrosis in mutants 



Mammalia Hollinshead 

 rib joints 



Homo Gray 



spicule formation 



Echinoidea Herold 

 Okazaki 

 teratogenesis 



Mammalia Terashima 

 ultrastructure in metamorphosis 



Amphibia Kemp 

 variation between litters 



Mammalia Evans 

 variation due to uterine posit. 



Mammalia Evans 

 vertebral column 



Homo Gray 



SKIN 



see also Epidermis; Integu- 

 ment; Pigment(ation); 

 Wound healing 



Amphibia Dent 

 Fry 

 Kollros 



Aves Gopinath 



Ide 



Kischer 

 Kollar 



Homo Carmona 



Hashimoto 



Mammalia Carmona 

 Hardy 

 Kischer 

 Kollar 

 Quevedo 

 Reams 

 Skinner 



Reptilia Mulherkar 



Teleostei Krejsa 



SKULL (& visceral skeleton) 

 see also Chondrocranium 



SLIME MOLDS 

 see Plant embryology & 

 morphogenesis 



SOMATIC MUTATIONS 



see Genetics 



SOMATIC RECOMBINATION 

 see Cell heredity 



SOMITE(S) 



Amphibia Jacobson 

 MacDonald 



Aves Allen 



Jacobson 

 Memikoglu 

 Minor 

 Packard 



SPERMATOGENESIS 



see also Gametes 



Insecta Kiefer 



Mammalia Guraya 

 Schuetz 

 cell culture 



Mammalia Schuetz 

 cell surface antigens 



Mammalia Bennett 

 Bovarnick 

 cytochemistry 



Anderson 

 cytogenetics 



Mammalia Hrudka 

 effects of mutants 



Mammalia Dooher 

 effects of vascular occlusion 



Mammalia Lakshmanan 

 endocrinology 



Insecta Kambysellis 



Mammalia Schuetz 

 fate of polar granules 



Insecta Schwalm 



genetic control 



Insecta Tokuyasu 



germinal epithelium cycle 



Mammalia Lakshmanan 

 histochemistry 



Mammalia Hrudka 



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