1232 



RADIATION BIOLOGY 



Benzene, 290, 291 



hydroxylation of, 257 

 reaction with neutrons, 290 

 recoil protons, 290 

 Benzol, 922, 1094 

 Benzpyrene, 577 

 disintegration, 8, 35 

 Beta irradiation, external body, 931, 970, 

 984, 997 

 internal, 924-926, 963-964, 970, 973, 

 978, 980, 993, 1003 

 (See also specific isotopes) 

 /3 particles, negative (see Electrons) 



positive (see Positrons) 

 /3- to X-ray ratio, 923 

 rays, 3, 317, 319 



effect of, 1030, 1058, 1059 

 lethal, on cells, 809 

 mitotic, 771, 776, 787, 788 

 emission of, 3 



energy release in tissues, 764, 785, 786 

 secondary, 117 

 Betatron, 12, 1030 

 Bile pigments, excretion of, 961 

 Bile salts, 988 

 Biliary passages, 1128 

 Biliary tract, carcinogenesis of, 1171 

 Binding energy, 28, 60 

 Biological effectiveness, relative, 321, 



322, 328-342 

 Biological variability, 27 

 Birefringency, 289 

 Bleeding, abnormal, 966-969 

 Bleeding time, effect of irradiation on, 



1044-1046 

 Blood, dyscrasias after irradiation, 963 

 electrolytes, 974 



flow of, effect on radiosensitivity, 927 

 hepatic, 977-978 

 and radiation injury, 940 

 phosphorus content of, 1000 

 platelets, 966, 978 



radiation effects, 922, 960-976, 1029- 

 1082 

 on capillary fragility, 1046 

 on clot retraction, 1046 

 on clotting time, 1044, 1046, 1047 

 red cells (see Erythrocytes) 

 urea of, 973, 989 

 uric acid of, 925, 973, 1000 

 white cells (see Leukocytes; Lympho- 

 cytes) 

 Blood calcium, 967 

 Blood cell mass, 960 



Blood cells (see Erythrocytes; Leuko- 

 cytes; Lymphocytes) 

 Blood chloride, 974 

 Blood clotting mechanisms, 966-968 



Blood coagulation, 1044-1047 

 effect on, of radiation, 1044 

 of toluidine blue, 1044 

 Blood counts, 325, 337 



following irradiation during fetal pe- 

 riod, 895-896 

 Blood-forming tissues, recovery of, 926 



regeneration of, 963-964 

 Blood plasma, constituents, 972-982 

 globulins, 973 

 histamines, 975, 980 

 lipids, 974-975 

 potassium, 974 

 proteins, 972-973 

 iodinated, 970 

 sodium, 974 

 sulfhydril, 969 

 electrophoretic pattern, 973 

 refractive index, 972 

 turbidity, 974-975 

 volume, 961, 969 

 Blood-pressure fall, 970, 980 

 Blood transfusions, 966, 967, 1006 



effect on irradiated dogs, 1081, 1082 

 Blood vessels, fragility of, 968 

 obliterative changes in, 1176 

 Body fluids, 969-976 

 Body size following prenatal irradiation, 

 869, 876-877, 879, 896, 900, 905, 912 

 Body weight and radiosensitivity, 933 

 Bone, 1108#. 



amorphous cementing substance in, 



1108 

 autoradiographs of, 1111 

 calcium phosphate, 1108 

 carbonate, 1108 

 citrate, 1108 



collagenous fibers of, 1108 

 cortex, 1111 

 devitalized, 1111 

 epiphysis, 1108 

 growth, endosteal, 1108 

 periosteal, 1108 

 stunted, 1110 

 hydroxyapatite, 1108 

 metaphysis, 1108, 1109, 1111 

 osteoblasts, 1108, 1110, 1111 

 osteoclasts, 1108, 1110 

 osteocytes, 1108 

 osteogenic sarcomas and radioisotopes, 



1111 

 radiation effects on, 999-1000 

 carbon 14 , 1110 

 Plutonium, 1110, 1112 

 radium, 1110-1112 

 strontium 89 , 1110 

 Xrays, 1110 

 yttrium 91 , 1110, 1112 



