1180 



INDEX 



Spinal cord tracts, classification, 614 

 descending, 615 

 posterior, 616 

 pyramidal, 615 

 trophic function, 603, 621 

 vaspmotor reaction of, 421 

 white matter, functional basis, 608 

 reflex, abdominal, 598 

 achillis jerk, 599 

 bulbocavernosus, 599 

 centers, localization, 594 

 cremasteric, 598 

 gluteal, 598 

 jaw jerk, 599 

 mammillary, 598 

 patellar, 599 

 plantar, 599 

 pharyngeal, 598 

 scapular, 598 

 scrotal, 598 

 sternal, 598 

 tensor tympani, 599 

 winking, 599 

 wrist jerk, 599 

 reflexes, abolition, 601 

 deep, 598 

 exaggeration, 601 

 from facial muscles, 599 

 in mammals, 595 

 organic, 598 

 periostea!, 599 

 reinforcement, 600 

 superficial, 598 

 Spjnocerebellar tract, 617 

 Spinotectal tract, 681 

 Spinothalamic tract, 618 

 Spindles, muscle, function, 784 

 Spiral ganglion, 777 

 Spirometer, Hutchinson's, 479 

 Wintrich's modification, 479 

 Splanchnic nerve, greater, vasomotor 



reaction of, 425 

 nerves, function, 434 

 system, 435 



Splanchnici minores, 435 

 Spleen, 903 



disintegration of red corpuscles by, 



198 

 formation of white blood corpuscles 



by, 904 

 function, 904 



hematopoietic function, 905 

 pulp of, 905 

 removal of, effects, 904 

 transplantation, 904 

 vasomotor nerves of, 438 

 Splenic artery, 433 



oncometer, 398 



Sponges, circulatory system in, 254 

 Spongioplasm, 24 

 Spontaneity of life, 33 

 Spontaneous emission of semen, 1128 

 Spot, blind, 834 



demonstration of, 835 

 form of, 836 



Spot, germinal, 1130 



yellow, 836 

 Squint, 873 



Stannius' experiment on heart beat, 333 

 Stapedius muscle, 765 

 Stapes, 767 

 Starling's theory of formation of lymph, 



238 

 Starvation, carbon dioxid in, 1053 



effect of, 1052 



elimination of nitrogen in, 1053 . 



oxygen ingo in ; 1053 



premortal rise in excretion of nitrogen 

 in, 1053 



purin excretion in, 1053 



relation of sulphur to nitrogen in, 

 1053 



urea nitrogen in, 1053 

 Static phase of respiratory cycle, 456 



sense, 578, 730, 781 

 Stationary air, 481 

 Statocyst, 781 

 Statolith, 781 ' 

 Steapsin, 935, 996 

 Stearin of milk, 902 

 Stellate cells of Kupffer, 939 

 Stercobilin, 196, 1080 

 Stercorubin, 948 

 Stereoscope, 876 

 Sternal reflex, 598 

 Sternzellen of Kupfer, 198, 207 

 Stethograph, 473 

 Stethoscope, Laennec, 757 

 Stewart's method of estimating circula- 

 tion time, 410 

 of measuring volume of blood 



stream, 397 

 Stigma, 1130 

 Stigmae, 448 

 Stimulants, alcoholic, 1063 



in diet, 1062 

 Stimulation, futurity, 34 



phenomena of, 33 



threshold of, 34 

 Stimuli, adaptation state, 35 



chemical, 33 



electric, 35 



maximal, 34 



mechanical, 33 



minimal, 34 



optimum, 34 



osmotic, 33 



photic, 33 



radiating, 33 



refractory state, 35 



strength of, 34 



subminimal, 34 



thermal, 33 



Stirrup bone of ear, 767 

 .Stokes' solution, 186 

 Stomach, antrum pylori, 1006 



bismuth x-ray study of, 1008 



contents, evacuation of, 1009 

 time of, 1009 



fundus, 1006 



