INDEX 



715 



Olein, 90 



Olfactory apparatus, 609 



bulb, 611 



center, 585 



glomeruli, 586 



membrane, 613 



nerve, 586 



tract, 587 



Olivary bodies, 536, 538 

 Olive, accessory, 539 



superior, 544 

 Onkograph, 388 

 Onkometer, 388 

 Ophthalmoscope, 655 

 Optic center, 585 



nerve, 633 



thalami, 546 

 Optical apparatus, 638 

 defects in, 648 

 Organ of Corti, 619 

 Organized ferments, 346 

 Osmosis, 129 

 Osmotic pressure, 130 

 Ossein, 86 



Osseous labyrinth, 618 

 Ossicles of ear, 616 

 Ossification, 45 



center of, 46 



in cartilage, 46 



in membrane, 46 

 Osteoblasts, 46 

 Osteoclasts, 48 

 Osteogenetic fibers, 46 

 Output of energy, 426 

 Ovaries, 683 



relation to metabolism, 432 

 Oviducts, 686 

 Ovulation, 687 

 Ovum, 684, 686 



changes in, following impregna- 

 tion, 692 



prior to impregnation, 691 

 Oxalic acid in urine, 385 

 Oxygen, amount excreted, 40 / 



in expired air, 265 



in tissues, 270 



determination of, in air, 286 

 Oxyphile, 113 



PACINIAN corpuscles, 73 

 Pain, sense of, 602 



Pancreas, 332 



enzymes of, 334 

 extirpation of, 431 

 extract of, 334 

 internal secretion of, 43 1 

 islands of Langerhans in, 332 

 secretion of, 333 

 structure of, 332 

 Pancreatic digestion, 358 



cleavage products of, 359 

 fistula, 333 

 juice, 333, 358 

 artificial, 358 

 chemical characters of, 358 



composition of, 334 

 conditions influencing action 



of, 338 

 enzymes of, 334, 358 



action of, 335, 338, 359 

 secretion of, 358 



action of nerves on, 334 

 action of secretin on, 



334, 35 8 , 

 Papillae of skin, 392 



of tongue, 606 



Paralytic secretion of saliva, 306 

 Paranucleoproteids, 84 

 Parathyroid glands, 428 

 Parietal association center, 589 

 Parotid gland, 304 



nerves of, 308 

 Parturition, 697 



center, 527 



Pelvic viscera, vascular nerves for, 224 

 Penis, 68 1 

 Pepsin, 303 



action of, 325 



in gastric juice, 325 

 Pepsinogen, 325 

 Peptone plasma, 107 

 Peptones, 84, 325 



characteristics of, 326 



reactions of, 97 



Perforating fibers of Sharpey, 45 

 Pericardium, 142 

 Perichondrium, 38, 46 

 Perimysium, 59 

 Perineurium, 68 

 Periosteum, 42 



Peripheral resistance, 186, 210 

 Peristalsis, intestinal, 349 



