I02O 



SUBJECT INDEX 



sulfate, conversion of — to cysteine, 63 

 3-sulfinylpyruvate, 63 

 3-sulfinylpyruvic acid, 63 

 sulphophospholipid in human and 



experimental tumors, 881 

 sulphur compounds, metabolism of in 



regeneration, 615 



— in wound healing, 699 

 sulphydryl compounds, 596 

 supernormal growth, 222 

 supernumerary growth, 601 

 surface properties of cells, 474 



— rule of Rubner, 181 



— specialization of cells, 357 

 sweat glands, 682 



symmetrization during oogenesis, 315 

 Syncoryne, 622 



syneresis of plasma clot in wound healing, 



692 

 synthesis of the carbon skeletons of 



amino acids, 56 



— of coenzymes, 37 



— of complex molecules in cellular 

 growth, 714 



— of polynucleotides, 37 



tail buds, 320 



target tissues, control of tumorigenesis 

 by , 866 



, genetic determination of tumori- 

 genesis in , 867 



Tarichia ectoblast, 363 



taurine, 40 



— in carcinoma, 896 

 taurocholic acid, 40 

 Taylor series, 1 74 

 telencephalic lobes, 407 

 telencephalon, 393 

 telolecithal eggs, 742 

 telophase, 318 



— of first cleavage, 328 

 temperatures, intra-liminal, 419 

 template-antitemplate theory of Weiss, 731 

 template hypothesis, 284 



— , intracellular — molecules, 731 

 templates, 209, 669, 729 

 tendency toward perfection, 247 

 Tenebrio, 602 



— molitor, 185 



tensile forces within granulating base of 

 wound, 670 



— strength as index of wound healing, 697 

 tenso-active substances, 425 



terminal hydrogen and electron transport 



system, 15 

 terpenes, biosynthesis, 43 



testicular hyaluronidase, 694 

 — , interstitial cell tumors in mice induced 

 by estrogenic hormone, 831, 834 



— tumorigenesis following transplantation 

 to spleen, 834 



— tumor induced by exogenous estrogen, 



839 

 testosterone, 12 



— phenylacetate, 841 

 tetrahydrofolic acid, 93, see also THFA 



— derivatives, cofactors in glycine and 

 serine interconversion, 59 



5,6,7,8-tetrahydrofolic acid, 1 1 

 1,2,3,4-tetrahydronaphthoic acid, 764 

 1,3,7,9-tetramethyluric acid as 



chromosome breaking agent, 939 

 Tetrahymena, 90, 95, 515, 930 



— requiring glycine for growth, 725 

 tetralideneacetic acid, 794 

 Tetrapods, 459 



Theobaldia, 243 



theophylline producing binucleate cells, 944 



— as mutagenic agent for bacteria, 271 

 Thermobacteriurn, 442 



— acidophilus, 294 

 thermodiffusion, 153 

 thermodynamics, irreversible, 152 



— of open systems, 151 

 thermoosmosis, 154 

 thermoregulation in homoiothermic 



animals, 187 

 THFA (tetrahydrofolic acid) required for 



FGAR synthesis, 93 

 thiamine, 5, 112 



— content of mammary adenocarcinoma, 



915 



— pyrophosphate, 5 



— in regeneration, 630 



— synthesis, proposed pathways, 112 

 thiazole, 1 12 



thienylalanine, 502 



— , vegetalizing effect, 505 



[i-2-thienyl-DL-alanine causing polyploid 



cells in Lewis sarcoma, 241, 945 

 P-3-thienylalanine inhibiting protein 



synthesis, 937 

 Thiobacillus denitrificans, 44 

 8-thioethers of caffeine causing 



chromosome stickyness, 938 

 thiokinase, 6 

 thiomalic acids as reductors for 



neuralization of ventral explants, 426 

 thiophorase, 7 

 thiourea, 529 



thoracic mesenchyme, development, 523 

 threitol, 10 



