368 



INDEX. 



Non-azotized or Non-nitrogenous food, i, 

 213 



organic principles, ii, 335 

 Nose, ii, 175. See Smell. 



irritation referred to, ii, 85 

 Notochord, ii, 257 

 Nucleus, i, 10 



position, i, 11 



staining of, i, 11 

 Nutrition, ii, 63 



general nature, 

 of nervous system, ii, 155 

 of trophic nerves, ii, 157 



in paralyzed parts, ii, 157 



of cells, i, 9 

 Nymphse, ii, 239 



O. 



Ocular cleft, ii, 292 



spectrum, ii, 225, et seq. 

 Odontoblasts, i, 59 

 Odors, 



causes of, ii, 77, et seq 



different kinds of, ii, 178 



perception of, ii, 178 

 varies in different classes, ii, 178 



relation to taste, ii, 174 

 (Esophagus, i, 236 

 Oil, absorption of, i, 303 

 Oleaginous principles, digestion of, i, 331 

 Oleic acid, ii, 339 

 Olfactory cells, ii, 176 



nerve,' ii, 175 



subjective sensations of, ii, 179 

 Olivary body, ii, 106 



fasciculus, ii, 106 

 Omphalo-mesenteric, 



arteries, ii, 281 



duct, ii, 270 



veins, ii, 281 

 Oncograph, i, 367 

 Oncometer, i, 366 

 Ophthalmic ganglion, relation of third 



nerve, ii, 137 

 Ophthalmoscope, ii, 217 

 Optic, 



lobes, corpora quadrigemina, homo- 



logues of, ii, 114 

 functions of, ii, 114 



nerve, decussation of, ii, 231 

 point of entrance insensible to light, 

 ii, 215 



thalamus, function of, ii, 115 



vesicle, primary, ii, 291 



secondary, ii, 292 

 Optical angle, ii, 220 



apparatus of eye, ii, 203 

 Ora serrata of retina, ii, 199 

 Orang, 



brain of, ii, 127 

 Organ of Corti, ii, 184 

 Organic compounds in body, ii, 325 



instability of, ii, 326 



Organs, plurality of cerebral, ii, 129 



Organs of sense,* development of, ii, 291 



Osmosis, i, 306 



Os orbiculare, ii, 181 



Os uteri, ii, 239 



Osseous labyrinth, ii, 182 



Ossicles of the ear, ii, 181 



office of, ii, 188 

 Ossicula auditis, ii, 181 

 Ossification, i, 47, et seq. 

 Osteoblasts, i, 48 

 Osteoclasts, i, 51 

 Otoconia or Otoliths, ii, 185 



use of, ii, 191 

 Ovaries, ii, 235 



enlargement of, at puberty, ii, 238 



Graafian vesicles in, ii, 236 

 Ovisacs, ii, 236 

 Ovum, ii, 236 



action of seminal fluid on, ii, 253 



changes of, in ovary, ii, 238 



previous to formation of embryo, 



ii, 253 

 subsequent to cleavage, ii, 255, et 



seq. 

 in uterus, ii, 254, et seq. 



cleaving of yelk, ii, 253 



connection of with uterus, ii, 235 



discharge of from ovary, ii, 239 



formation of, ii, 238 



germinal membrane of, ii, 254 



germinal vesicle and spot of, ii, 237 



impregnation of, ii, 253 



structure of, ii, 236 



unimpregnated, ii, 236 

 Oviduct, or Fallopian tube, ii, 238 

 Oxalic acid, i, 365 

 Oxalic acid in urine, i, 365 

 Oxygen, ii, 325 



in blood, i, 89 



consumed in breathing, i, 195 



effects of on color of blood, i, 88 



proportion of to carbonic acid, i, 192, 



et seq. 

 Oxyhasmoglobin, i, 92 



spectrum, i, 92 



P. 



Pacinian bodies or corpuscles, ii, 74 

 Palate and uvula in relation to voice, ii. 

 59 



cleft, ii, 274 

 Palmitin, ii, 338 

 Pancreas, i, 264 



development of, ii, 297 



functions of, i, 264 



structure, i, 264 

 Pancreatic fluid, i, 265 

 Pancreatin, ii, 337 

 Papilla foliata, ii, 173 

 Papillae 



of the kidney, i, 348 



of skin, distribution of, i, 335 



