524 



INDEX. 



Simple epithelium, 82. See also Epithe- 

 lium, simple. 



microscopes, 17 

 Sinus, blood, 222 



lactiferus, 400 



lymph-, 199 



pocularis, 370 

 Sinuses, 222 , 



Sinusoids, 221 

 Skein, mother, 67 

 Skin, 379 



and appendages, 379 

 technic of, 403 



glands of, 396 



lymph-vessels of, 386 



nerves of, 387 



pigment of, 384 

 technic for, 404 



structure of, technic for, 404 



true, 379 



vascular system of, 386 

 Slide digestion for connective tissue, 129 

 Slides, 20 



Sliding microtome, 33. See also Micro- 

 tome, sliding. 

 Small intestine, 274. See also Intestine, 



small. 



Smell, organ of, 498 

 Sole nuclei, 163 



plate, granular, 163 

 Somatic cell, 71 



Specimens, permanent, preparation of, 52 

 Spermatids, 72, 374 



develoment of, into spermatosomes, 



374, 37 



nucleus of, 377 



protoplasm of, chromatoid accessory 



nucleus of, 377 

 sphere substance of, 376 

 Spermatoblast, 376 

 Spermatocytes, 70, 72 



of first order, 374 



of second degree, 374 



of third degree, 374 

 Spermatogenesis, 372 



schematic diagrams of, 373 



technic of, 378 

 Spermatogones, 72 

 Spermatogonia, 372 

 Spermatosome, 361 



accessory thread of, 361 



axial thread of, 361 

 sheath of, 361 



development of, from spermatids 374 

 376 



flagellum of, 361 



head of, 361 



marginal thread of, 361 



middle piece of, 361 



rudder membrane of, 361 



tail of, 361 



terminal nodule of, 361 



undulating membrane of, 361 

 Spermatozoa, 60, 71, 73 

 Spermatozoon, 361. See also Sperma- 

 tosome. 



Sphere substance of protoplasm of 



spermatids, 376 

 Sphincter muscle of pupil, 455 

 Spider cells, 435 

 Spinal cord, 406 



anterior median fissure of, 406 

 commissures of, 412 

 gray substance of, 406, 409 

 horns of, 408 



posterior median septum of, 406 

 white substance of, 406, 409 

 ganglia, 424 



ganglion cell of Dogiel, 426 

 Spindle, achromatic, 68 



central, 68 

 Spindle-shaped cells of cerebral cortex, 



417 

 Spiral ganglion of cochlea, 494 



organ of Corti, 489 



segment of Schachowa, 327 

 Spirem, 67 

 Spleen, 202 



blood supply of, 203 



lobules, 204 



diagram of, 205 



trabeculae of, 203 

 Splenic pulp, structure of, 206 



tissue, demonstration of, 234 

 Splenolymph glands, 201 

 Spongioblasts, 434 



diffuse, 464 



stratum, 464 

 Spongioplasm, 60, 274 

 Spot, Wagner's, 344 

 Staining, 41 



blood-cells, 227 



blood films, Wright's method, 229 



bone corpuscles, Schmorl's method, 



133 

 double, 44 



of cells, 76 



fibers of olfactory nerve, 182 

 in bulk, 46 



diagram for, 47 

 in sections, diagram for, 47 

 motor nerve-endings, 182 

 neurofibrils and Golgi-nets, Bethe's 



method, 443 

 neuroglia, 444 



fibers, Benda's method, 445 



Mallory's methods, 445 

 plural, 44 

 section, 41 



sensory nerve-endings, 182 

 Stains, 41 

 acid, 41 



fuchsin-picric acid solution, van 

 Gieson's, 45 



hemalum, 43 



alkaline purpurin, for calcium carbon- 

 ate in bone, 132 

 alum-carmin, 42 



for bulk, 46 

 anilin, 44 

 basic, 41 

 Biondi-Heidenhain triple, 46 



