852 



INDEX 



Spaces, of Fontana, 643 



Specific dyes, 740 



Spermatic cord, 494 



Spermatid, and spermatozoon, 484 



Spermatocytes, primary, 463 



Spermatogenesis, 460 



idiozome in, 475 



prespermatid in, 470 

 Spermatogonia, 463 

 Spermatozoon, 475 



histogenesis, and structure of, 485 



human, 486 

 Spinal cord, 596 



basis cornu of, 596 



caput cornu of, 596 



cell column, of Clarke, 602 



central -canal of, 598 



central commissure of, 596 



cervical region, lower half of, 602 



cervical region, upper half of, 603 



cervix cornu of, 596 



columns of, 598 



filum terminale of, 600 



gray matter of, 596 



intermediate zone of, 596 



lumbar region of, 600 



nerve roots of, 596 



nucleus of Stilling, of, 602 



regions of, 599 



segments of, 596 



sacral region of, 600 



thoracic region of, 601 



white matter of, 598 

 Spiral organ, of Corti, 702. See also 



Ear. 



Spireme, loose, 24 

 Spleen, 245 



blood vessels of, 246 



development of, 250 



differentiation of, from lymph nodes, 

 249 



functions of, 249 



pulp veins of, 248 

 Splenic cells, 249 

 Splenic nodules, 247 

 Spongioblasts, 589 

 Spongioplasm, 8 



Staining methods, special, 747 



Benda's mitrochondrial technic, 75? 

 blood, Hasting 's eosinate of methy- 



lene blue, for, 754 



chromaffin granules, technic for, 759 

 chromophilic (tigroid) granules in 

 cyton and dendron, with 

 methylene blue, 750 

 connective tissue, Mallory's, 753 

 with picro-fuchsin (Van Gieson's), 



752 



cytoplastic granules, eosin and 

 methylene blue mixture, 

 Mann's, 755 

 Ehrlich's triacid, 755 

 elastic tissue, Weigert's, 753 

 ' fat, osmic acid for demonstrating, 758 

 glycogen, Gage's method for demon- 

 strating, 758 



medullate nerve fibers, Weigert-Pal 

 method for demonstrating, 

 748 



mitochondria, 757 

 mucinous tissues, specific, 748 

 nerve cells, Golgi's, 751 

 nerve plexuses and endings, gold 

 chlorid (Ranvier's) for, 752 

 neurofibrils, Cajal's, 750 

 nitrate of silver, for cement sub- 

 stances, 752 

 Staining of tissues, 738 

 double, 746 

 in bulk, 739 

 progressive, 740 

 regressive, 740 

 Stains, aceto-carmin, 744 

 alum carmin, 744 



Auerbach 's f uchsin-methyl-green, 756 

 borax carmin, 743 

 carmin, 743 

 Congo red, 746 

 Delafield's hematoxylin, 742 

 eosin, 745 

 fuchsin, 746 

 hematein, 743 



and eosin, 746 

 iron hematoxylin, 747 



