570 



I'HYSIOLOCY 



Salts, heart, -J95 



Saprophytes, 57, <!9 



Sarkine, 35 



Scale-in' muscles, 410 



Schizomycetes, 57 



Sciatic nerve, vaso-constrictors, 351 



Sclero-proteins, 23. 25 



Scombrine, 24 



Scotoplankton, 83 



Secretion, and lymph formation, 52'J 



of lymph, 519 

 Selection, germinal, 50 



natural, 46 



Self-steering action of heart, 210 

 Semilunar valves, 187 

 Semipermeable membranes, 141 

 Sensations, 6, 45 

 Sensibility, 45 

 Sensitive plain.-., .".:; 

 Septum, auricular, 299 

 Serin, 126 

 Serine, 27 

 Sero-mucoid, 126 

 Serous cavities, 514 



effusions, 515 

 Serum, 97, 127 

 ash, 131 



carbohydrates, 130 

 conductivity, 150 

 enzymes, 127 

 fats, 127 

 measurement of osmotic pressure, 



144, 147 

 toxicity, 15:; 

 Serum albumin, 126, 128 



globulin, 126 

 Silkworm, 70 

 Sinus of Valsalva, 187 



venosus, 286 

 Skeleton, thoracic, 407 

 Sleep, 501 

 Sneezing, 438 

 Soaps, plasma, 130 

 Sobbing, 438 

 Solutions, colloid, 21 

 laws of, 141 



normal physiological, 293 

 Sound, exploring, cardiographic, 200 

 exploring, oesophageal, 228, 406, 



429 



exploring, rectal, 429 

 muscle, 197 

 Sounds, heart, 196 

 Spaces, lymphatic, 509 

 Species, 46 



Spectrophotometer, 109 

 Sphygmograms, analysis, 271 

 Sphygmographs, 264 

 Sphygmomanometer, 245 

 Sphygmoscope, 2<)5 

 Spinal centres, respiratory, 451 

 centres, splenic, 554 

 centres, vasomotor, 362, 364 



Spiritus igneo-ae'reus, 372 



Spiritus nitro-aereus, 372 



Spirograph, 425 



Spirometer, 422 



Spirostomum, 81 



Splanchnic nerves, blood-vessels, 348 



lymph vessels, 518 



respiration, 465 

 Spleen. 545 



cells, 549 



contractility, 553 



extirpation, 550 



haemapoiesis, 550 



haemolysis, 551 



lymphapoiesis, 552 



metabolism, 552 



nerves, 549 



nerve centres, 554 

 Spongin, 23, 25 

 Staircase, heart, 318 

 Staphylococcus, 178 

 Starch, 37 

 Steapsin, ''>''> 

 Stentor, 14 



Sternum, asthma, 410 

 Stethograph, 415 

 Stimuli, 73 



chemical, 73 



electrical, 80 



internal, 83 



luminous, 78 



mechanical, 76 



thermal, 77 

 Stomata, 510 



Stromata, erythroeytes, 106 

 Stromuhr, 257 

 Sturine, 23 



Submaxillary gland, 343 

 Substances, histogenic and histolytic, 



93, 125 

 Sugars, 36 

 Sulphates, 38 



Sulpho-niethaemoglobin, 110 

 Sulphur, protein, 22 

 Sulphur metabolism, bacteria, 65 

 Suppuration, 115, 178 

 Surface area, capillaries, 263 



thoracic, 417 

 Survival, heart, 298 

 nerve centres, 310 

 Suspension of artery, 245 



of heart, 290 

 Suspensions, colloid, 21 

 Swimming-bladder, gas of, 390 

 Symbiosis, 58 

 Sympathetic nerve, blood-vessels, 342 



nerve, heart, 328 

 Syncytium, 15 



System, circulatory, 157, 180 

 lymphatic, 505 

 respirator} 7 , 369 

 vegetative and animal, 92 

 Systole, 185 



