INDEX. 



447 



Physostigmin, its effect on accommo- 

 dation, iv. 45 

 Pia mater of cord, 859 



of brain and cord, 1125, 1126 

 Pigment, yellow, of serum, 50 



,, black, occasionally found in 



lymphatic glands, 495 

 ,, cells in dark skins, 688 

 ,, epithelium of re tina, iv. 68, 118 

 Pigments, their possible formation from 



haemoglobin, 38 

 of bile, 423 



,, of urine, 651, 673 

 Pilocarpin, its action on the sweat glands, 



701 



Pineal gland, 934 



Pitch of sounds, discrimination of, iv. 226 

 Pituitary body, the, structure of, 764, 935 

 Placenta, the, glycogen present in, 729 

 ,, formation of, from the decidua 



serotina, iv. 376 

 ,, structure of, iv. 377 

 ,, vascular events of the, iv. 378 

 shedding of the, iv. 379 

 ,, expulsion of, after parturition, 



iv. 397 

 Plasma-corpuscles in connective tissue, 



189 



Plasrnatic layer in capillary contents, .335 

 Plasmme, properties of, 23 

 Platelets, blood, 29, 47, 337 

 Plethysmograph, amount of blood in parts 



determined by, 314 

 for kidney measurements, 657 

 for measurement of blood-sup- 

 ply to brain, 1135 

 Pleural cavity, communication of with 



lympathics, 489 



,, ,, result of access of air to the, 536 

 Plexus, brachial, constrictor and dilator 



fibres in, 315 

 of Auerbach, 441 

 of Meissner, 441 

 solar, 403, 435 

 renal, 646 

 hepatic, 731 

 Pneumograph, Marey's, 540 



,, tracing of respiratory move- 

 ments by, 542 



Pneumatograph of Fick, 540 

 Polar globules, ejectment of the, iv. 358 

 Polarizing current, irritability of nerve 



affected by, 128 



Pons varolii, development of, 230 

 ,, ,, grey matter of the, 982 

 ,, ,, transverse fibres of, 996 

 Porta hepatica, 705 

 Portal vein, 707 



Posture, erect, how maintained, iv. 343 

 Potassium salts in cell tissue, 41, 51 

 ,, ,, in muscle tissue, 102 



,, ,, in urine, 649 



Predicrotic wave, its causes, 270 

 Pregnancy and birth, iv. 374402 



Pressure, arterial, as compared with ven- 

 ous, 202, 207 



,, ,, as affecting pulse-trac- 



ings, 270 

 ,, heart-beat in inverse 



ratio to, 305 



,, blood, in the small vessels,pe- 



ripheral region, 209, 216 



,, ,, flow of lymph regulated 



by, 501505 

 ,, endocardiac, 238 



graphic records of. 2 40 246 



,, ,, negative during each car- 

 diac cycle, 239, 240 

 ,, ,, how produced, 248 



,, auricular and ventricular com- 

 pared, 229, 241 



,, of salivary secretion, 400 



of bile secretion, 439 



pulmonary, 537 



thoracic, 541 



,, ,, negative, 616 



,, partial, of gases, 558 



,, absorption of oxygen, depen- 



dent on, 572 

 results of, 611 

 ,, atmospheric, effect of diminu- 



tion of, 610 



,, ,, increase of, 611 



,, of carbonic acid in pulmonary 



alveoli, 576 



within the bladder, 683 



,, in tra-ocular, conditions affect- 



ing, iv. 171 



,, sensations of, iv. 274 



,, ,, modified by tem- 



perature, iv. 291 

 ,, sensibility of skin to changes 



of, iv. 276, 292 



Pressures, Henry Dalton law of, 558 

 Prickle-cells of epidermis, 688 

 Primitive sheath of nerve-fibre, 115 

 Primordial utricle, 4 

 Prism, Nicol, described, 93 

 Processus vocalis, and muscularis, iv.309 

 Prostate gland, structure of, iv. 307 

 ,, ,, secretion of, iv. 307 



Proteids, general composition of, 17 

 ,, changes in, produced by alcohol, 



24 



in food-stuffs, 355 



,, action of gastric juice on, 365 



,, ,, . ,, pancreatic juice on, 426 



,, ,, classification of, in order of 



solubility, 367 



,, ,, path taken by. during di- 



gestion, 514 

 ,, ,, amount of urea increased 



by, 745 



,, a source of fat, 774 



,, metabolism of body in- 



creased by, 785 



,, disruption o'f, during diges- 



tion, 795 



