SUBJECT INDEX 



IOI9 



somites, induction, 461 



— , presumptive, 352 



sorbitol, 10 



D-sorbitol, 10 



sorbose, 10 



Soret effect, 153 



sorting out in intermingled epiblast and 



neuroepithelial cells in Amphibian neurula, 



321 

 Spemann's organizer transplantation, 352 

 specific, growth rate, 168 



— proteins, mechanism of formation, 284 

 species-specific, constant, 157 



— substances, growth as synthesis of , 



140 



spermatic track, 323 



— , development of the — aster, 322 



spermatides, 163 



spermatocytes, 163 



spermatogenesis, 298 



— , linkage of RNA and protein synthesis 



during — , 273 

 spermatogonia, 163, 306 

 spermatozoon, 308 

 sperm entrance point, 323 

 sphincter type action of wound perimeter, 



670 

 spina bifida, 382 

 spinal ganglia, 404 

 spindle poisoning, 941 



— protein synthesis, 941 

 spino-caudal structures, 367 

 spinocellular carcinoma, ribonucleic acids 



in — — , 905 

 Spiralia, 318, 327 

 Spirochaetes, 750 

 Spirodella, 814 

 Spisula, 338 

 spleen, loss of germinal centers in — and 



lymph nodes in senescence, 964 

 spontaneous leukemia, 837 

 sporangiophores, aerial — of fungi, 755 

 spore formation in bacteria, mechanism, 537 

 sporulation, suppression, 535 

 Sprinson and Rittenberg expression, 149 

 squalene, 12, 109 



— synthesis, 123 



squamous cell carcinoma of the mouse 



skin, 857 

 Staphylococcus, 442 



— aureus, 83, 729 



— muscae, 275 

 statoblasts, 589 

 steady state, 144 



, energy requirements of the mainte- 

 nance of — of the organism, 151 



Stenostomum, 592 

 Stentor, 591, 604 

 steroid hormones, effect on tumor growth, 



842 

 inhibiting tumorigenesis, 840 



— sex hormones inhibiting anaerobic 

 tumor glycolysis, 883 



steroids, biosynthesis, 43 



sterol metabolism in process of cancer 



induction, 881 

 StiLi mice, maternal resistance factor of 



, 855 



stomata, 779 

 stomodoeal epiblast, 454 

 stomodeum, 469 

 stratum corneum, 686 



— germinativum, 679 



— granulosum, 687 



— papillaris, 682 



— spinosum, glycogen in , 683 



Straub's diaphorase, 20 

 streptococcal hyalurodinase 696 

 Streptococcus faecalis, 19, 52, 78 



— hemolyticus, 87 



— lactis R factor, 120 

 stress, 609 



— patterns governing orientation of 

 cells and fibroblastic proliferation, 691 



striated muscle, 454 



Strong ylocentrotus, fertilizin of — , 7 1 7 



— purpuratus, 722 

 struggle of the parts, 230 

 Stylonychia, 216 

 subchromatid errors caused by 



8-ethoxycaffeine during prophase, 938 

 suboptimal growth, 222 

 substrate phase of wound healing, 697 



— phosphorylation, 27 

 succinate, oxidation, 21 



— pool in tumor tissue, 889 

 succinic acid, 13 



— dehydrogenase, 14, 525, 683, 782 

 in mitochondria, 14 



— oxidase, 634 

 succinoxidase, 527 



— activity in malignant tissues, 889 

 succinyl-CoA, 7 



— generating from acetoacetyl-CoA by a 

 thiotransferase reaction, 29 



sucrose as cofactor of traumatic acid, 772 

 sugar phosphorylation to sugar phosphate, 



37 

 sugars, phosphorylated, 33 

 sulfanilamide arresting metaphase in 



mitosis, 943 

 sulfate, activation, 41 



