INDEX 



337 



Oculo-motor nerve, 251, 265 



Old age, 331 



Olfactory cell, 296 



centre, 247 

 nerve, 250, 296 



Ontogeny, 8 



Ophthalmometer, 261 



Ophthalmoscope, 268 



Optical axis, 259 



Optic nerve, 251 



Optics, 257 



Organogenic elements, 13 



Organ sensations, 305 



Otohths, 295 



Oval joint, 203 



Ovaries, 154, 310 



Ovoid cells, 96 



Ovum, 310 



Oxalic acid, 42 



Oxybutyric acid, 42, 105 



Oxygen, 157, 172 



in combustion, 2, 187 

 in human body, 13 

 in blood, 58 

 consumed daily, 61 

 in muscles, 187 



Oxyhsemoglobin, 33, 54, 58 



Oxyntic cells, 96 



Oxyprotosulphonic acid, 28 



Pain, sensation of, 303 

 Pancreas, 14, 16, 153 

 Pancreatic digestion, 133 



juice, 98 



secretion, 99 

 Paralytic secretion, 95 

 Paranucleins, 35 

 Parturition, 324 

 Pathetic nerve, 251 

 Pepsin, 95, 128 

 Peptones, 36, 37, 129, 133 

 Periscopia, 266 

 Peristalsis, 121. 126, 132 

 Perspiration. 109, 180-183, 239 

 Pettenkofer's test, 49 

 Peyer's patches, 89 

 Phenol. 51, 104, 136 

 Phenylhydrazine, 20 

 Phloridzin. 147 

 Phosphocarnic acid, 187 

 Phosphorus, 13, 43, 147 

 Phylogeny, 8 

 Pilocarpin. IIO 

 Pineal gland. 243 

 Placenta, 312, 315, 318 

 Placental circulation, 317 

 Plants, assimilation in, 2 

 Plasma, 52, 55 



Plethysmograph, 72 



Poisons arrested by liver, 153 



Polysaccharides, 22 



Portal vein, 141 



Positive after-image, 272 



Potassium, 13, 115 



Presbyopia, 265 



Pressor nerves, 77 



Pronephros, 320 



Pronucleus, 312 



Protagon, 26, 223, 249 



Protamine, 28 



Proteids, 26, 31, 173 



absorption of, 142 

 decomposition of, 27, 136 

 digestion of, 128, 133 

 functions of, 30, 116, 167,187 

 reaction of, 28 



Proteoses, 36, 142 



Protoplasm, 5 



Psycho-physical processes, 231, 237, 

 243, 247, 248 



Ptomains. 28 



Ptyalin, 93, 134 



Puberty, 330 



Pulse, 70 



curve, 71 

 volume, 69 



Pupil reflex. 233, 267 



Purkinje-Sanson images, 263 



Putrefaction in intestine. 135 



Pyramidal tracts, 226-229, 2 35 



Reaction time, 248 



Red blood corpuscles, 53, 90 



Reflex action, 224, 229 



time, 232 

 Rennin, 96 

 Residual air, 83 



Respiration, 58, 60, 61, 318. 327 

 innervation of, 83 

 movements of, 79 

 of muscles, 81 

 rate of, 83 

 Respiratory capacity, 82 



centre, 83, 238 

 metabolism, 156 

 quotient, 61, 159, 162, 187 

 sounds, 83 



Reproduction, 6, 7, 307 

 Retina, 269 

 Rhodopsin, 271 

 Ribs, elevation of, 79 

 Rigor mortis, 198 



Saddle-joint, 203 



Saliva, 92 



Salivary digestion, 124 



