SUBJECT INDEX 



997 



hormone responsive (dependent) neoplastic 



growth, 825 

 hormones, in invertebrates, action on 



regeneration — , 635 

 — , in the control of regeneration, 631 

 — , gene-dependent, 141 

 — , growth stimulating, 529 

 host, regional influence of the, 431 

 human, development, decrease in sodium 



and in chloride during , 959 



— , glycogen synthesis from lactic acid in — 



skin, 684 



— primary follicle, 309 



— growth curve, 247 



— , variation during — fetal development 

 in phase relation and cell water 

 content, 958 



hyaline layer of sea urchin eggs, 341 



hyaloplasm, 332 



hyaluronic acid, 696, 717 



— in connective tissue and mast cells, 695 



— in Rous sarcoma, 881 



— synthesis, 38 

 hyaluronidase, 717 

 hybridization, 292, 716 

 Hydatina senta, 166 

 Hydria, 591, 616 

 Hydractinia, 593 



hydration, increasing — of tissues with 

 advancing age, 963 



— of tissues in regeneration, 62 1 

 y-hydrazide of L-glutamic acid, 938 

 Hydrioides, 639 



— , operculum-reversal in regeneration of, 



642 

 hydrocarbons, polycyclic, 858 

 Hydrochoerus capybara, 244 

 hydrogen acceptor, nitrate as, 22 

 , nitrite as, 23 



— carrier, glycolate as, 22 



— , terminal — and electron transport- 

 system, 15 



hydrolysis of a nucleic acid, 261 



hydroquinone, 13, 32 



hydroxyacids, enzymes oxidizing — , 10 



[3-hydroxy-acyl-dehydrogenase, 6 



hydroxyamino acids, 725 



/)-hydroxyamphetamine, 12 



|i-hydroxybutyrate oxidation by intact 

 mitochondria, 29 



D(-)P-hydroxybutyric acid, 11 



6[i-hydroxyestradiol, 12 



5-hydroxyindole acetaldehyde, 1 1 



— acetic acid, i i 

 p-hydroxyisobutyric acid, 10 

 hydroxyisovaleryl carboxylase, 43 



p-hydroxyisovaleryl-CoA, 43 



3-hydroxykynurenine, 12 



hydroxy lam ine, 13 



— , glutamyl transfer reaction with, 83 



— reductase, 82 



in NH3 requiring Neurospora 



mutants, 82 



— reduction of — to ammonia, 23 

 — , reduction of nitrite to, 23 

 hydroxylating enzymes, 12 

 ^-hydroxy-p-methylbutyryl-CoA, 1 1 

 5-hydroxymethylcytosine (HMC), 911 

 NiO-hydroxymethyltetrahydrofolic acid, 59 

 /)-hydroxyphenylpyruvic acid, 12, 66 



1 7-hydroxyprogesterone, 1 2 

 hydroxyproline, 78, 499 

 — , determination, 670 

 hydroxypyruvate and alanine trans- 

 amination to serine and pyruvate, 61 



— as direct precursor of serine, 61 

 hydroxypyruvic acid, 1 1 

 3a-hydroxysteroid, 10 

 3P-hydroxysteroid, 10 

 5-hydroxy-uridine as inhibitor of RNA 



synthesis, 510, 928 

 Hyla regilla, 498 



Hynobiiis, gastrular ectoblast of, 449 

 Hyoscyamus, elongation of short shoot by 



gibberellic acid, 812 

 hypercalcemia, 843 

 hyperchromasia, 159 

 hyperestrogenization as growth stimulant 



of mammatrophic tumor, 916 

 hyperglycaemia in R-phase of 



regeneration, 618 

 hypermorphic chemicals, 351 

 hypermorphose, 351 

 hyperphagia, 840 

 hyperplasia, 597 

 — , compensatory, 141, 210 

 hyperplastic lesions. DNA in, 687 

 hyperthyroidism favoring induction of 



hepatic tumors by butter yellow, 846 

 hypertonicity, 560 

 hypertrophy, 597 

 — , compensatory, 588 



— of nerve-tissue, functional, 643 

 hypomorphic chemicals, 351 



— embryos, 290 

 hypomorphosis, 351 

 hypo-ovarianism, 830 

 hypophysectomized animals, i8g 

 hypophysectomy, effects of — on breast 



cancer, 843 

 — , palliation by — in human metastatic 

 breast cancer, 846 



