SUBJECT INDEX 



979 



biomass, 137 



— , biologically complete — , 138 

 — , functionally complete — , 138 

 bionomogenesis, 247 

 biosynthesis of amino acids, 53 



— of aromatic amino acids, 66 



— of isoleucine, 70 



— of leucine, 69 



— of valine, 69 » 

 biosynthetic potentialities, i 



biotin, 42, 1 14 



— as cell division promoting factor in 

 plants, 772 



— promoting skin-healing in rats, 630 

 blastema, 588 



— , mesonephric, 466 



Blastocladiella, 537 



blastocoele, 326, 360 



— , method to insert implant in the, 377 



blastocyst, 326 



— fluid, albumen, a-, [3- and y-globulines 

 in, 720 



— , mammalian, 342 

 blastodisc, 347 

 blastomers, 306, 326 

 blastoporal groove, 376 

 blastopore, localization of the — in 



Anamniots, 343 

 — , secondary, 386 



— stages, semicircular and circular, 398 

 blastula, 345 



— stage, rapid DNA synthesis in late, 287 

 blastulation and nitrogen metabolism, 722 

 Blatella germanica, 635 



Blatta orientalis, 185, 197 



blood antigens, epigenetic nature of 



development of, 734 

 body mass, active, 208 

 — , differentiated, 208 

 — , essential, 208 

 — , generative, 208 

 — , inert, 208 



— , metabolically active, 208 

 body-size, absolute, 142 

 — , dependence of metabolic rate on, 181 

 — , interspecifically relation between 



metabolic rate and, 181 

 body, surfaces of the, 142 

 body weight, increase of, 137 

 Bombyx mori, 188 

 bone organizing action in regeneration, 



646 

 boric acid effects on morphochoresis, 422 

 brain, allometric growth of the, 251 



— and body, relation between the size, 250 

 — , evolution, 250 



brain, interspecific increase of the — size 

 in mammals in relation to body size, 250 

 — , loss of nerve cells in — in senescence, 965 

 — • morphogenesis, 407 



— parts, constriction zones between the 

 five basic , 408 



— tumor, nuclear density in, 905 



— weight in mammals, 250 



breast cancer, effects of hypophysectomy, 

 843 



— , hypophysectomy palliative in human 

 metastatic — , 846 



brittleness increasing — of the bone in sene- 

 scence, 957 



Broca's center, development of, 252 



5-bromocytidine, differential mitose 

 suppression by, 936 



bromouracil as antogonist of thymine in 

 lactobacilli and E. coli, 912 



Brontotherium, 239 



Brown-Pearce tumor in rabbits, 931 



Brucella abortus, 7 1 9 



Bryophyllum, 768 



buds of plants, interrelation, 811 



building blocks with free amino acids, 284 



— materials, anabolism, 180 



of the organism, 137 



, turnover of, 147 



burns, 670 



butter yellow binding by liver cells during 



hepatic carcinogenesis, 861 



, inducing hepatic tumors, 846 



, riboflavin as anticarcinogen of , 



862 

 butyryl-CoA, 6, 1 1, 30, 40 



caffeine inhibition of conidial growth 

 of ascomycetes, 930 



— as mutagenic agent for bacteria, 271 

 calcium content of methylcholanthrene 



induced carcinoma, 915 



— decrease in broken bones, 609 



— as growth inhibitor, 796 



— ions inhibiting elongation of plant 

 cells, 782 



— promoting elongation of the root, 805 

 Camaesura anguina, 324 



Cambarus, 598 

 cambium, 752 

 — , cork, 767 

 — , vascular, 767 

 canaliculi, 352 



cancer, ribonuclease in chemotherapy of, 

 282 



— and viruses, 849 



cancer diagnosis, cytological, 159 



