SUBJECT INDEX 



1251 



Neurological damage, 967 

 Neurospora, 382, 399, 454, 461, 476, 505, 

 533, 535, 541, 545-550, 562, 576, 585, 

 586, 594, 596, 751 

 Neutrino, 3 



Neutrons, 3, 27, 318, 320, 479, 492, 517- 

 524, 526, 528, 588 

 atomic weight, 7 

 backscattering, 116 

 capture, 58, 114, 116 

 collisions, 113 

 crystal diffraction, 115 

 dosimetry of, 161-164 

 ejection of, 36 

 elastic collisions, 74 

 energy distribution in space, 116 

 energy release in tissues, 786 

 and eye, 1131 

 fast (see Fast neutrons) 

 genetic effects of, in mammals, 825, 

 827, 830, 833, 838, 841, 845, 846 

 in n units, 320 

 no electric charge, 7 

 penetration of, 113, 114 

 scattered, 116 

 secondary, 116 



slow, chromosome-aberration produc- 

 tion by, 733 

 effect of, on blood-forming tissue, 

 1030 

 on bone marrow, 1101 

 on intestinal mucosa, 1126 

 on lymph nodes, 1104 

 on spleen, 1107 

 on thymus, 1105 

 relation of, to biological efficiency, 

 734 

 sources of, 14 



and testis, 1114, 1116, 1117 

 Neutropenia, 922 

 Neutrophils (see Heterophils) 

 Nicotine, 980 

 Nicotiana, 589 

 Nitrite, 941, 945 

 Nitrobenzene, 291 

 Nitrogen, 559-561, 576 

 excretion by urine, 1000 

 nonprotein of blood, 973, 989, 1000 

 Nitrogen mustards, 285, 424, 507, 577, 

 922, 967 

 effect of, on morphological changes in 

 peripheral blood, 1061 

 on rat embryo, 907 

 Nitrophenols, 291 

 Nondisjunction, 358, 508 

 Nonspecificity of radiation effects, 1093 



on bone marrow, 1101 

 Nor-di-guairelic acid, 550 



Nuclear changes, 60 



production of, 62 

 Nuclear forces, 27 



effect of, 44 

 Nuclear reactions, injuries, 1005 

 Nuclear reactor, 14 

 Nuclear resonance effect, 58 

 Nuclear transformations, types of, 59 

 Nuclear transmutation and mutation, 



584-590 

 Nucleated red cells, 305 

 Nucleic acids, 290, 303, 527, 540, 550, 

 587, 692, 696, 929 



intestinal, 983 



of liver, 988 



synthesis of, 305, 962 

 Nucleolus, 1096 



ultraviolet-radiation effects, 816 



X-ray effects, 803 

 Nucleoproteins, 290, 580 

 Nucleotides, 498 

 Nucleus, 1094 



budding, 1096 



compound, 58 



and cytoplasm, 928-929 



relative radiosensitivity of, 1094 



membrane, 1096 



structure of, 27 



swelling of, 1127 

 Nutrition, disturbances of, and blood 

 effects, 960, 965 



and radiosensitivity, 985 

 Nutritional deficiency, 1005 



O 



Oenothera, 382, 390, 553, 566 

 Oligodendroglia, radioresistance, 995 

 One-hit aberrations, 723 

 1/r 2 law, 85 

 Onion, 578, 580 

 Oocvtes, 387, 837, 844, 847 

 Ootid, 374 

 Optic anlagen, 458 

 Organic chemistry, 462 

 Organic matrix of bone, 1112 

 Organogenesis, irradiation during period 

 of major, 862, 868-893, 905, 909- 

 910, 912 

 Organs, reduplication of, 325, 335 



susceptibility of, to tumor induction, 

 1161-1162 



weights of, 1001 

 Oscillating current, 20, 30, 33 

 Osmotic pressure, cellular, 938 

 Osteoblasts and bone, 1108, 1110, 1111 

 Osteoclasts and bone, 1108, 1110 

 Osteocytes, bone, 1108, 1110, 1111 



