620 



INDEX 



Bertini, columns of, 397 

 Bicornuate uterus, 433 

 Bielschowsky, method of staining, 563 

 Bilateral hermaphroditism, 434 

 Bile capillary, 349 

 Bipartite uterus, 433 

 Birds, cleavage in, 45 



gastrulation in, 57 



mesoderm formation in, 74 

 Bischoff, concerning origin of parasitic duplic- 

 ity, 603 

 Bladder (see also Urinary Bladder), 400 



anomalies of, 431 

 Blastema, metanephric, 392 

 Blastemal stage, 180 

 Blastocyst, 49 

 Blastoderm, 57, 59, 133 

 Blastodermic vesicle, 134 

 Blastomeres, 40 

 Blastopore, 51 



(crescentic groove), 59 

 Blastula, 47, 133 

 Blood, cells of, 267 



relation of maternal and foetal blood in 



Mammals, 109 

 in man, 115, 127 

 Blood cells, development of, 267 



erythroblasts, 270 



erythrocytes, 270 



haemoblasts, 268 



histogenesis of, 267 



leucocytes, 270 



lymphoblasts, 268 



lymphocytes, 270 



megaloblasts, 270 



mesamceboid, 269 



mononuclear leucocytes, 270 



normoblasts, 270 



primitive, 217, 268 

 lymphocytes, 268, 269 



table showing development of, 273 

 Blood islands, 217, 268 

 Blood plates, 273 

 Blood vascular system, 216 

 Blood vessels, allantoic, function of, 104 



arteries, 240 



factors in development of, 226 



heart, 227 



origin of, 224 



placental, 127 



sinusoids, 260 



veins, 250 

 Blue babies, 287 



Body cavity, see Ccelom 

 Bone, compact, 172 



diaphysis of, 176 



epiphysis, 176 



growth of, 176 



intracartilaginous, 172 



shaft of, 176 



spongy, 171 



subperiosteal, 172 

 Bone cells, 171 



destroyers, 171 



formers, 171 



marrow, 177 

 Bones, defective or absent, 6n 



derived from the branchial arches, 194 



membrane, of the skull, 192 

 Bonnet, concerning derivation of pigmented 

 layer of retina, 577 



concerning double origin of vitreous, 575 



concerning the Erganzungshohle, 55, 56 



concerning the Erganzungsplatte, 56 



concerning gastrulation, 51 



concerning origin of parasitic duplicity, 603 



concerning the primitive intestinal cord, 62 



concerning the primitive streak, 61 

 Born, concerning potentiality of germ cells, 604 

 Boveri, concerning the "dynamic center" of 



the cell, 8 



Bowman, membrane of, 578 

 Bowman's capsule, 387, 395 

 Brachia, anterior, 530, 533 

 Brain, the, 453, 473 



after-brain (myelencephalon), 455 



aquaeductus Sylvii, 456 



archencephalon, 453 



cephalic flexure of, 454 



cerebellum, 455, 477, 512, 525 



corpora striata, 455, 467, 474, 478, 539, 54* 



defects in, 604, 605 



deuterencephalon, 453 



diencephalon, 455, 467, 474, 478, 531 



distinguishing features of human and 

 their biological significance, 468, 470 



end-brain (telencephalon), 455 



epichordal part of, 453, 457 

 segment al, 512 



fore-brain (.prosencephalon), 454 



hind-brain (metencephalon), 455 



inter-brain (diencephalon), 455 



isthmus, 455, 513 



medulla oblongata, 477, 512 



mid-brain (mesencephalon), 454 



plica encephali ventralis, 453 



