1174 



INDEX 



Plica semilunaris, 808 

 Pneumatogram, 473 

 Pneumatograph, Gad's, 480 

 Pneumogastric nerve, 654. See also 



Vagus nerve. 

 Pneumograph, Marey's, 473 

 Pneumonia, 477 

 Pneumothorax, 457 

 Pohl's commutator, 61 



pole changer, 61 

 Poikilocytes, 175, 176 

 Poikilothermal animals, 1093 

 Poiseuille's manometer, 293 

 Poisons, snake, effect of, on coagulation 



of blood, 225 

 Polar bodies of ovum, 1118 

 Polarization current, reaction of nerve 

 to, 142 



external, 143 



in voltaic cell, 58 



internal, 143 

 Polarizing current, 144 

 Pole-changer, Pohl's, 61 

 Policemen of blood, 204 

 Pollutions, seminal, 1129 

 Polycythemia, 163, 180 

 Polymorphonuclear leukocytes, 200 

 Polynuclear leukocytes, 200 

 Polypnea, 525 



heat, 1095 

 Pomum Adami, 542 

 Portal circuit of circulatory system, 259 



circulation, 433 



vein, 259 

 Porous opticus, 834 



Position, change of, effect on arterial 

 blood pressure, 372 



sense of, 781 

 Post-anelectrotonus, 144 

 Post-catelectrotonus, 144 

 Posterolateral tract, 613 J 

 Posteromedian tract, 613 

 Potassium in nerve, 115 



theory of cardiac inhibition, 320 

 Precipitins, 248 

 Preformation theory of reproduction, 



1117 

 Pregnancy, 1138 



effect of, on arterial blood pressure, 

 371 

 on general health, 1139 



mammary glands in, 898, 1138 



signs of, 1138 



uterus at end of, 1138 



uterus during, 1138, 1139 



vomiting of, 1139 

 Premenstruation, 1133 

 Prepuce, 1127 

 Prepyramidal tract, 616 

 Presbyopia, 830, 855 

 Press, abdominal, 479, 531, 1011 

 in labor, 1145 

 in micturition, 1077 

 Pressure, diffusion, 446 



head-, 350 



Pressure, intra-abdominal, changes in, 



\ 478 



intrkcranial, 441 



intra-ocular, 805, 810 



intrapleural, 457 



intrapulmonic, 457 

 changes in, 478 



intrathoracic, 457 



cause of negativity, 460 

 changes in, 477 



lateral or side, 349 



osmotic, 1024 



resistance-, 350 



sense, 734 



sources, 347 



velocity-, 350 

 Preyer's chemical theory of sleep, 724 

 Priapismus, 1128 

 Primitive sheath of nerve. 111 

 Primordial follicles, 1129 

 Prism, refraction by, 799 

 Prismatic spectrum, 879 

 Prochymosin, 925 

 Pro-estrum, 1133 

 Proferment, 215, 990 

 Projection system of cerebrum, 660 

 Prophase of mitosis of cell, 1111 

 Proprioceptors, 730 

 Prorennin, 925 

 Prosecretin, 936 

 Prosencephalon, 664 

 Prostate gland, 1126 

 Protease, 513 

 Proteins, 26 



absorption of, 1031 



circulating, 1048 



diffusion of, 1026 



endogenous, 1049 



exogenous, 1049 



metabolism of, 1048 

 end-products of, 1050 



of body, source, 1048 



of milk, 903 



of muscle, 85 



of muscle-plasma, 86 



of muscle-stroma, 86 



of nerve, 1 14 



reaction of intestinal bacteria on, 998 



specific dynamic action, 1059 

 in metabolism, 1059 



tissue-, 1048 



utilization, 1049 

 Proteolytic-enzyme of saliva, 994 



enzymes, 989 



property of pancreatic juice, 995 

 Prothrombin, 213, 215 

 Protocerebron of crayfish, 580 

 Protoplasm, 22 



alternate contraction and expansion, 

 38 



conductivity, 35 



contractility, 35 



irritability of, 35 



of cell, 21 



theories of structure, 24 



