OXYGEN CONSUMPTION (concluded) 



equation, 390 



erythrocytes, 103, 286 



during exercise, 143-146*, 147-150*, 155, 263-265 



plants. 315-383 (See also RESPIRATION RATES) 

 OXYGEN DISSOCIATION (BLOOD), 66-85 



curves (carnivores), 78; (cetacean), 81; (man), 74, 75, 

 77; (rodents), 79; (ungulates), 80 



curves, fetal (mammals), 85 



data for constructing curves (amphibians), 69; (birds), 

 68; (fish), 69, 70; (invertebrates), 70, 71; 

 (mammals), 66-68; (man), 66; (reptiles), 68, 69 



line charts, 72, 73 



relationship of fetal and maternal, 83 

 OXYGEN UPTAKE (See also OXYGEN CONSUMPTION) 



comparison of right and left lung, 45 



effect of exercise, 144-146* 



PARASYMPATHOLYTICS (See also DRUGS, effects of, 

 178-252) 



as antagonists of drugs acting on the bronchi 

 (vertebrates), 226-230 

 PARTIAL PRESSURE (See PRESSURE(S); specific gases) 

 PARTITION COEFFICIENTS of gases, 5 

 PATENT DUCTUS ARTERIOSUS (mammals), 54, 55 

 pAx VALUES FOR ANTAGONISTS OF DRUGS ACTING 



ON THE BRONCHI (mammals), 249 

 PERICARDITIS (mammals), 54, 55 

 PERMEATION COEFFICIENTS of gases, 10, 11 

 pH (See BLOOD) 



PHOSGENE, retention in respired air, 267 

 PHOSPHORUS, in cerebral respiration (dog). 313, 314 

 PHYSIOLOGIC DEAD SPACE (See DEAD SPACE. 



RESPIRATORY) 

 PIGMENTS, RESPIRATORY, 108-129 



cytochrome, characteristics, 124-129 



pyrrole, characteristics. 108-123 

 PLANTS, respiration rates, 315-383 

 PLASMA (See BLOOD) 

 PLEURITIS, tuberculous, 268 

 PNEUMOCONIOSES, 270, 271 

 PNEUMONECTOMY 



and pulmonary compliance, 137 



and respiratory dead space, 51 

 PNEUMOTHORAX, and respiratory dead space, 51 

 PORPHYRINS, characteristics, 108-118 

 POSTPARTUM 



erythrocyte and hemoglobin values, 100-103 



ventilatory variables, 40 

 POSTURE 



effect on acid-base balance, 91, 92 



effect on lung volumes, 40 



effect on minute volume, 43 



effect on tidal volume, 43 



effect on ventilation and O^ uptake, 45 



effect on vital capacity, 36, 37 

 POTASSIUM ION 



depression of O2 and CO2 solubility by, 5 



effect on tissue O2 consumption, 308-310 

 PREGNANCY 



effect on ventilatory variables, 40 



erythrocyte and hemoglobin values, 100-102 



Oi capacity and saturation of umbilical blood during, 

 82, 83 

 PRESSURE(S) (See also BLOOD; CARBON DIOXIDE; 

 OXYGEN) 



increased ambient, effect on pulmonary function 

 (mammals), 172-175 



internal, effect of decompression (dog), 177 



PRESSURE(S) (concluded) 



intrapleural, 135 



intrapulmonary, at various lung volumes, 134 



pulmonary, vs vital capacity, 134*, 135* 



reduced barometric, effect on pulmonary function, 

 151-156 

 PRESSURE CURVE. RELAXATION. 135* 

 PRESSURE- DEPTH GRADIENT in the sea. 4 

 PRESSURE EQUIVALENTS in the sea, 4 

 PRESSURE-VOLUME CURVES (cat), 133* 

 PRESSURE-VOLUME DIAGRAM, chest and lungs, 134* 

 PRO PRIOCEPTO- RESPIRATORY REFLEX, 139 

 PROTEIN, plasma constituent (vertebrates), 93, 94 

 PULMONARY CAPILLARIES, O^ diffusion, 53* 

 PULMONARY CIRCULATION (mammals), 54, 55 



summary of values, 392 

 PULMONARY COMPLIANCE (vertebrates). 135-137 



methods for measuring, 136 



vs vital capacity. 136 

 PULMONARY DEFLATION RECEPTORS, respiratory 



action of drugs influencing (msimmals). 201 

 PULMONARY FIBROSIS, 268. 269 



incidence in the pneumoconioses. 270 



and pulmonary compliance, 137 



from radiation exposure, 253, 254, 257, 258 



and respiratory dead space. 51 

 PULMONARY PHYSIOLOGY, equations and formulas. 

 28. 29. 390. 391 



summary of values. 28. 29, 392 

 PULMONARY STENOSIS (mammals), 54, 55 

 PULMONARY STRETCH RECEPTORS, respiratory 



action of drugs influencing (mammals), 200, 201 

 PULMONARY VEIN REFLEX, 139 

 PULSE RATE 



at altitude. 152-155 



effect of decompression and recompression (dog), 176* 



effect of exercise, 144-146*. 155 



effect of O2 inhalation at increased ambient pressures, 

 174 

 PYRROLE PIGMENTS, characteristics, 108-123 

 PYRUVATE (BLOOD), A-V differences, 59 



RADIATION 



external ionizing, effect on respiratory system 

 (mammals). 253-259 



interna) emitters, effect on respiratory system 

 (mammals), 259-262 

 RADON 



effect on respiratory system (mammals), 259-262 



partition coefficients, 5 

 RBC (mammals), 100-102; (man), 99, 100, 102, 103, 107; 

 (vertebrates), 103-106 



from birth to maturity. 102, 103 



CO2 absorption at various pCO^, 64 



in fetus, newborn and adult female, 100-102 



gases, 56 



H2CO3 dissociation constants (mammals), 63 



Oo consumption, 103, 286 



during pregnancy and postpartum, 100-102 



at sea level and at altitude, 106-107 

 RECEPTORS, PULMONARY: respiratory action of drugs 



influencing (mammals), 200, 201 

 RECOMPRESSION 



effect on blood gases (dog). 175. 176* 



effect on blood pressure, respiratory rate, and pulse 

 rate (dog). 176* 

 REFLEXES. RESPIRATORY, 139 

 RELAXATION PRESSURE CURVE, 134*. 135* 

 RESIDUAL VOLUME, 27*, 39 



definition. 27 



401 



