INDEX 



919 



SENSORY NERVE-ENDINGS IN MUSCLE. 



Sensory nerve-endings in muscle, 769 ; in skin, 7f>6 



Sensory nerves, 70 



Septum nasi, nerves of, 785 



Serine, 417 



Serous coat, 493 



Serous membranes, 208 



Sertoli, cells of, 864 



Serum, 



albumin, 315, 453 



of blood, 60, 452 et seq. 



globulin, 315, 453 

 Seventh cerebral nerve, 663, 673 

 Sex, determination of, 859 

 Sexual organs in the female, 867 ct .T/. 



in the male, 863 et se<j. 

 Sharpey on bone formation, 50 



fibres of, 44 

 Sherrington, 



experiments on motor area, 731 



on course of reflex in knee jerk, 712 



observations on binocular flicker, 854 



principal of the common path, 716, 717 



reciprocal action of antagonistic muscles, 714, 



715 



Short sight, 828 

 Side-chain theory, 475 

 Sight. See Vision. 

 Silent areas, 738 

 Silver nitrate reaction of cementing substance, 



27 



Simple tubular glands, 496 

 Sino-auricular node, 213, 256 

 Sinus, coronary, 209 

 Sinuses of Valsalva, 214, 237 

 Sinusoids, 222, 528 

 Sixth cerebral nerve, 663, 671 

 Skein, 15, 16, 18 

 Skeletal muscles, 63 

 Skiascopa, 831 

 Skin, 604 



absorption by, 608 



dermis, 604 



diseases, 611 



epidermis of, 604 



functions of, 608 



nerve-endings in, 766 



papillae of, 604 



respiration, 60S 



rete mucosum of, 604 



sebaceous glands of, 60S 



secretions, ib. 



sections of, 605 et seq. 



sweat, 609 et seq. 



sweat-glands, 496, 608 



varnishing the, 611 

 Sleep, 744 et seq. 

 Smell, sense of, 738, 782 ct seq. 



anatomy of regions, 784 



connection with taste, 738 



delicacy of sense of, 787 



tests for, varies in different animals, 786 

 Smith, Lorrain, experiments on quantity of the 



blood, 445 



Smith's perimeter, Priestly, 840 

 Sneezing, mechanism of, 882 

 Snoring, mechanism of, ib. 

 Soap, 416 

 Sobbing, 382 



Sodium chloride method, 431 

 Solitary glands. See Peyer's patches. 

 Solubilities, 423 



Solutions, gramme-molecular, 323 

 Somatic mesoblast, 872, 884, 887 

 Somatoplasm, ^ eismann's, 861 

 Somatopleur, 884 

 Somites, mesoblastic, 884 



SPIRILLA, VARIOUS FORMS OF. 



Sonorous vibrations, how communicated in ear, 

 794 et seq. 



in air and in water, 795. See Sound. 

 Sound, 



conduction by ear, 794 



heart, 235, 245 



production of, 806 

 Soup, value as food, 490 



Sour milk as cure for dyspeptic disorders, 527 

 Spaces of Pontana, 814 

 Speaking, mechanism of, 807 

 Special senses, 766 et seq. 

 Specific nerve energy, law of, 762 

 Spectroscope, 465 et seq. 

 Speech, 807 et seq. 



centre, 733 



defects of, 808 

 Spermatidg, 864, 865, 873 

 Spermatocytes, ib. 

 Spermatogonia, ib. 

 Spermatozoa, 19, 866, 867, 881 



form and structure of, 866, 867 

 Spheno-palatine ganglion, 678 

 Spherical aberration, 830 



correction of, ib. 

 Sphincter ani. See Defalcation. 



pupillae, 812 



vesicae, 570 



Sphingomyelin, 166, 435, 438 

 Sphygmographs, 291, 292 



tracings, 291 et seq. 

 Sphygmometers, 295 

 Spinal accessory nerve, 664 



functions of, 679 



origin, ib. 

 Spinal cord, 648 et seq. 



association fibres in, 658 



canal of, 648 



columns of, 649 



commissures of, 648 



conduction of impressions by, 704 et seq. 



course of fibres in, 653 



diagrams of, 649, 650, 660 



fissures and furrow < of, 648 



functions of, 704 et seq. 

 of columns, 654 



grey matter, 181, 650 

 cells in, 650 



hemisection, 659 



injuries of, 704, 709 



membranes of, 643 



nerves of, 653 



reflex action of, 709 et seq. 

 inhibition of, 710 

 in frog, 709 

 in man, 711 

 superficial, ib. 



reflex irritability of, 712 



regions of, 659 



section of, ib. 



special centres in, 720 



structure of, 648 et seq. 



tracts, 651, 655, 703 



transverse section of, 659 



white matter, 167, 649 



tracts in, 651 

 Spinal nerves, 155 



functions of roots of, 155, 649 



origin of, 155 ct seq. 

 Spinal visceral reflexes, 721 

 Spiral canal of the ear, 791 

 Spiral ganglion, 794 

 Spiral layer, 213 

 Spiral ligament of oar, 792 

 Spirem, 15, 18 

 Spirilla, various form? of, 439 



