INDEX. 



903 



Pepsin, its presence in gastric juice, 396 



Pepsinogen, 439 



Peptic action, antagonism of bile to, 



449 



Peptogenous food, so-called, 443 

 Peptone, as food, effects of, 835 



,, course taken by, in digestion, 



542-544 

 ,, differentiated into hemi- and 



anti-peptone, 453 

 ,, formed by action of gastric 



juice, 393, 397 

 formed by action of pancreatic 



juice, 450 

 ,, mechanism of absorption of, 



548-553 



,, tests for, 394 



Peripheral resistance increased by de- 

 ficient arterialization, 654, 655 

 Peristaltic contractions, of bladder, 712 

 ,, ,, of gall-bladder 



and bile-ducts, 

 742 

 ,, * spontaneous, in 



ureter, 711 



movements in alimentary ca- 

 nal, 478 



,, ,, effects of varia- 



tion in blood- 

 supply on, 495 



,, nervous mechan- 



ism of, 490-494 

 ,, ,, of oesophagus, 



483 

 ,, ,, of small intestine, 



488 

 Peritoneal cavity, ascites in, 536 



,, membrane of mammal and 



frog compared, 514 

 Peritoneum, visceral layer of, 402 

 Perivascular lymphatic, 510 

 Perspiration, nature and amount of, 728- 



732 



,, nerves of, acting as regu- 



lators of temperature, 

 849 



Pettenkofer and Voit's method of de- 

 termining income and output of ma- 

 terial, 828 

 Peyer, patches of, 475 



,, absent in large intes- 



tine, 476 



,, contrasted with lym- 



phatic glands, 520 

 structure of, 516 



Pfliiger's mercurial gas-pump, advan- 

 tages of, 584 

 Phenol, compounds in urine, 681 



,, produced by micro-organisms 



from proteids, 503, 681 

 Phloretin, administration of, producing 



diabetes, 767 



Phloridzin, administration of, producing 

 diabetes, 767 



Phosphates in human milk, 818 



,, in urine, 682 



Phosphorus, biological importance of, 836 

 ,, compounds in human milk, 



818 

 Pig, nutrition, experiments on, 831, 833 



,, sweat-fibres of snout in, 736 

 Pigments, black, in lymphatic glands, 521 

 of bile, 447, 780-782 

 of faeces, 506 



of spleen, rich in carbon, 779 

 of urine, 683, 704 

 in supra-renal bodies, 802, 



803 

 ,, particles in Malpighian layer 



of epidermis, 721 

 Pilomotor nervous fibres, 727 

 Pituitary body, structure of, 800 

 Placenta, abundance of glycogen in, 764 

 Plants, storing of nitrogenous products 



of metabolism in, 867 

 Plastic food, an erroneous distinction, 



842 



Plethysmograph, modified, for measure- 

 ments in kidney, 688 

 Pleural cavity, communication with 



lymphatics, 515 

 ,, ,, results of opening 



made in, 565 

 Plexus, hypogastric, nervous supply to 



bladder from, 710, 714 

 renal, 677 

 ,, solar, nervous supply to liver 



from, 460 

 ,, solar, nervous supply to stomach 



from, 427 



Pneumatograph, Fick's, 570 

 Pneumograph, Marey's, its construction 



and uses, 569-571 

 Poikilothermic animals, 847 

 Porta hepatica or gate of liver, 739 

 Portal system, absorption of peptone by, 



uncertain, 542-544 

 ,, water and sugar absorbed 

 by, in digestion, 541, 

 542 



,, vein, see Vena portse 

 Positive pressure of expiration, measur- 

 ed, 567 

 ,, ventilation of lungs, diagram, 



625 



Potential energy of food, 837-840 

 Pregnancy, changes in mammary gland 



coincident with, 816 

 Pressure, atmospheric, effects on respira- 

 tion, etc. of changes in, 641- 

 644 

 ,, blood-, difference between renal 



artery and renal vein, 688 

 ,, blood-, effect of respiratory 

 movements on, 648, 649, 657 

 ,, blood-, effect on volume of 



kidney, 690-696 

 blood-, in kidney, 699, 700 



