1234 



RADIATION BIOLOGY 



Carcinogenic agents, estrogen, 1173 

 fission products, 1159 

 ionizing radiations, 1145-1201 

 neutrons, 1100, 1161, 1166, 1167 



cataract, 1167 

 ultraviolet radiation, 1150, 1190 

 (See also Radioactive elements) 

 Carcinogenicity and mutagenicity, 421- 



424 

 Carcinoma in rats, 684 

 Cardiovascular system, 976-982 

 Cartilage, degenerative changes of, 1112 

 ear, 1000 



hypertrophic, 1112, 1113 

 provisional calcification, 1112 

 radiation effects, 999-1000 

 radioactive isotopes, 1113 

 radium, 1113 

 strontium 89 , 1113 

 X rays, 1113 

 trachea, 1000 

 Cascade showers, 63, 70, 95, 111 

 Castration cells, 999 

 Cat, 863 

 Catalase, 286, 288, 299, 300, 303, 544, 



549, 551, 562, 581, 941, 987 

 Cataracts, 325, 337, 1131 



following prenatal irradiation, 879, 896, 



909, 912 

 radiation, 943, 998 



induced by neutrons, 1167 

 Catechols of adrenal, 991 

 Cathepsin II, 300 

 Cathode rays, 3 

 Cell damage and radiation effects on 



embryos, 903-904, 906, 913 

 Cell death, 1092, 1133 



X rays, 1134 

 Cell division, 289, 682 



interference with, 357-359 

 Cell membrane, 1094, 1095 

 Cell physiology, 462 



Cell viability (see Viability effects, cell) 

 Cells, metabolism of, 922 

 swelling of, 938, 972 

 turnover of, in radiosensitivity, 929 

 Cellular functions, effects on actual and 



potential, 1092 

 Cellular inclusions, 1095 

 Central nervous system (brain, spinal 

 cord), damage following prenatal 

 irradiation, 880, 881, 883, 888-891, 

 896-898, 902, 909, 912 

 Centrifugation, effect on radiation-in- 

 duced chromosome aberrations, 737 

 and mutation, 573, 589 

 Centriole, 525 

 Centromere, 354, 850 



Centrosome, 1095 

 Cerebellum lesions, 995 

 Cerium-praseodymium and thymus, 1105 

 Cessation, of mitosis, 1096 

 of spermatogenesis, 1116 

 Chaetomium, 531, 538, 541, 593, 595 

 Chaetopterus, 804 

 Chain reaction, 264, 270 

 Characters, 395 

 Charge exchange, 237-238, 245 



(See also Electron-transfer processes) 

 Charged particles, acceleration of, 1 1 

 collision of, 41 



elastic, 42 

 heavy (positive ions), 7 

 sources of, 10 

 nuclear, 13 

 Cheese, 445 

 Chemical bond, 31 



energy of, 28, 31, 60 

 Chemical changes, 60 

 Chemical forces, 34, 60 

 Chemiluminescence, 201 

 Chemostat, 418, 419 

 Chiasma, 357 

 Chick embryo, 335 



Chickens, 774, 776-778, 781, 782, 787, 788, 

 790, 794, 796, 797, 805, 806, 809-811 

 carcinogenesis in, 1155, 1158 

 eggs, 935 



radiation effects, 925 

 time of death, 932 

 Chloride, excretion of, 989 

 of plasma and blood cells, 974 

 in tissue, 972 

 Chlorine, 552 

 Chloropicrin, 551 

 Chloroplastids, 595 

 Cholera vibrio, 1003 

 Cholesterol, 291 

 of adrenals, 990 

 of liver, 987 

 of plasma, 975 

 Cholic acid, 291 



acetylation, 291 

 Choline acetylase inhibitors, 996 

 Chortophaga (see Grasshopper) 

 Chromatid breaks, 717 



relation of, to radiation dose, 724 

 to radiation intensity, 727 

 Chromatid exchanges, 717 



relation of, to fast-neutron dose, 726 

 to radiation intensity, 727 

 to X-ray dose, 725 

 symmetrical and asymmetrical, 720 

 Chromatids, in chromosomes, 628, 632, 

 642, 647-650, 659-661, 664, 675 

 sister, 354 



