288 



Index 



Jig. 227 



Jugular pulse tracing, electrical, 45 



Jugular sphygmogram, 46 



Law of homologous series, 32 

 Lethal and sublethal effects of radi- 

 ations on root tips, 130 



— effects of radiation, injurious and, 



98 



— mutation in bacteria. 160 

 Limits of heat tolerance, 75 

 Linear ion density in ionizing radi- 

 ation, 115 



— ion density, influence of. 119 

 Lipid-protein-enzyme relationship, 



pattern of, 20 

 Lipids and narcotics, 19 



— and proteins, 14 



Lipoid theory of narcotic action. 15 

 Lippo-protein complex, 20 

 Local effects of radiation. 210. 211 

 Logarithmic apical phonocardio- 



gram. 44 

 Lymphocyte counts in individual 



patients, 210 



M 



Macromolecular viruses, 157 

 Malignancy, radiation and, 107 

 Malignant disease, aim of radio- 

 therapy in, 166 

 Marconi encephalograph, 47, 48 

 Mathematical theory of integral 

 dose. 196 



— theory of volume dose, 196 

 Measurement of gamma rays in 



rontgens, 184 



— of neutron radiation. 189 



— of radiation. 175 



— of the pulse velocity, 53 



— of volume dose of radiation, 199 

 Measurements in phantom, 217 

 Measuring peripheral blood flow, 53 

 Mechanics of brain injuries, 74 



Mechanism of sensitizing action of 

 fat solvents on insect cuticle, 

 28, 29 



Medical physics, history of, 4 



— radiology. 2 



Medicine, applications of electron- 

 ics in, 34 



— , influence of physics in biology 

 and, 10 



— , physics in, 1 



Megagram-rontgen, 194 



Membrane, analogy between insect 

 cuticle and cell, 30 



Metallic object, detecting approxi- 

 mate position of, 54 



Methods of heat transfer, 60 



Microscope, electron, 54 



Million-volt equipment, 245 



— therapy, 241 



— X-ray tube, 244, 246 



— X-rays, advantages of, 256 

 Mirror galvanometer, 38 

 Mitotic cells, 164 



— effect of radiation, 172 

 Modified scattering. 178 

 Monolayers, 14 



Multiple beam arrangement, 221 



— field distribution, 220 

 Muscle action potentials. 36 

 Mutation in bacteria, lethal, 160 



— in Drosophila, radiation induced, 



142 



N 



Narcosis and oxidative processes, 



31 

 Narcotic action, adsorption theory 



of. 15 



— action, lipoid theory of, 15 

 Narcotics and lipids, 19 

 Nerve action potentials. 35 



— fiber. 35 



Neutron dosimetry, 190 



— therapy, 134 



Neutrons and other ionizing radia- 

 ations, biological effects of 

 X-rays, 114 



— , measurement of, 189 



