370 



INDEX 



Nerve terminals, in striped muscle, 



225 

 in tactile memsques, 229 



trunks, 219 

 Nervous system, the, 214 



development of, 360 



divisions of, 216 



general functions of, 214 

 Neural canal, 342 

 Neuroglia, 216 

 Neurons, 216 



communication between, 223 

 Ninth nerve (see Glosso-pharyngeal) 

 Nitrogen, amount necessary, 182 

 Nitrogenous equilibrium, 174 

 Nitrous oxide, inhalation of, 161 

 Nutrition, 171 



Olfactory bulb, 276 



cells, 276 



center, 269 



nerve, 276 

 Olivary bodies, 251 

 Omphalo-mesenteric vessels, 355 

 Ophthalmic ganglion, 284 

 Optic center, 269 



commissure, 277 



nerve, 277 



thalami, 258 



functions of, 259 



tracts, 277 

 Osmosis, 123 

 Otic ganglion, 284 

 Ova, 328 



Ovary, secretion of, 34 

 Ovulation, 333 

 Oxidation in the body, 171 

 Oxygen, amount consumed, 153 



amount in blood, 157 



condition of in blood, 157 



entrance of into tissues, 159 



loss of in lungs, 148 



Pacini, corpuscles of, 227 

 Pancreas, anatomy of, 100 



histology of, 101 



internal secretion of, 103 



nerve supply of, 103 



secretion in, 103 

 Pancreatic juice, 101 

 Partial pressure of gases, 156 



Patheticus nerve, 280 

 Pepsin, 91 

 Peptones, 92 

 Pericardium, 42 

 Periosteum, 18 

 Perspiration, 212 

 Pharynx, 132 

 Pia mater, 236 

 Pinna, 317 

 Pituitary body, 34 

 Placenta, 352 

 Placenta! circulation, 356 

 Pneumogastric nerve, 290 



influence of on respiration, 168 



stomach and intestines, 168 

 Pons Varolii, 255 



functions of, 255 

 Posterior chamber of eye, 312 

 Prehension, 70 

 Presbyopia, 315 

 Pronucleus, female, 233 



male, 336 

 Proteids as foods, 66 



circulating, 174 



final products of, 174 



tissue, 174 

 Proteoses, 92 

 Pro to vertebrae, 344 

 Ptyalin, 74 

 Pulse, the, 53 

 Pupil, the, 311 



Ranvier, nodes of, 218 

 Reaction of pupil, 315 

 Receptaculum chyli, 57 

 Rectum, 118 

 Red corpuscles, 37 

 Reflex action, 248 

 Refraction, ocular, 313 

 Reil, island of, 262 

 Renal tubules, 197 

 Rennin, 91 

 Reproduction, 327 

 Reserve air, 147 

 Residual air, 147 

 Respiration, 131 



abnormal, 161 



afferent nerves of, 167 



center for, 167 



costal, 146 



cutaneous, 160 



