394 



INDEX 



Arteries, vertebral, 124, 264 



vitelline, 47, 59, 64, 88, 101, 124, 260, 261, 



262 



chick, 44 



Artificial parthenogenesis, 20 

 Arytenoid cartilage, 1 68 



folds, 119 



ridges, 96, 152 



swellings, 167 



Ascaris megalocephala bivalens, reduction of 

 chromosomes in spermatogenesis of, 1 7 

 univalens, 14 

 Atrial canal, 251 



foramina, 100 



septa, 251 



valves, 258 

 Atrio-ventricular bundle, 258 



foramen, 251 



Atrium, 59, 85, 92, 99, 249, 251 

 Auditory meatus, external, 92, 114, 148, 391 



ossicles, 389 



placode, 47, 49, 384 



tube, 84, 163, 389 



vesicle, 385 



Auricle of ear, 148, 390 

 Auricular fold, 390 

 Autonomic system, 366 

 Axial skeleton, 309 

 Axillary artery, 268 



nerve, 356 



vein, 275 

 Axis cylinder, 302 

 Axon, 302 

 Azygos vein, 273 



BABY, blue, 259 

 Back, muscles of, 317 

 Bars, sternal, 311 

 Bartholin's glands, 228 

 Basal plate, 239, 240, 323, 332 

 Basilar artery, 264 



membrane, 387 

 Basilic vein, 275 

 Basophils, 246 

 Bertin's renal columns, 203 

 Bicuspid valves, 123, 258 

 Bile capillaries, 179 



duct, common, 122 

 Biogenesis, law of, 5 

 Birds, cleavage of ovum in, 26 



gastrulation of, 28 



origin of mesoderm in, 32 

 -Birthmarks, 294 

 Bladder, 145, 206, 208, 209 

 Blastoccele, 24 

 Blastoderm, 26 

 Blastodermic vesicle, 27 

 Blastomeres, 24 

 Blastopore, 29, 31 

 Blastula, 25 



Blood cells, 43, 243, 244 

 ichthyoid, 244 

 sauroid, 244 



corpuscles, red, 244 



white, 245. See also Leucocytes. 



elements, monophyletic theory of origin, 243 

 polyphylectic theory of origin, 243 



islands, 40, 43, 243 



Blood, plates, 247 



vascular system, pig, 99, 122 

 vessels, anomalies of, 276 

 changes at birth, 278 

 chick, 43, 47, 59 

 human, 243, 247 

 pig, 99, 122 

 primitive, 259 

 Blue baby, 259 

 Body cavities, 180 



stalk, 73 

 Bone, cartilage, 287, 288 



growth of, 289 

 cells, 288 

 destroyers, 288 

 ethmoid, ossification of, 313 

 formation, endochondral, 288 

 perichondral, 288, 289 

 periosteal, 288 

 formers, 287 

 growth of, 289 

 histogenesis of, 287 

 lacrimal, 314 

 lacunae, 288 

 marrow, 288 

 red, 288 

 yellow, 290 

 membrane. 287 

 of skull, 314 

 nasal, 314 



occipital, ossification of, 312 

 palate, 315 

 regeneration of, 290 

 sphenoid, ossification of, 313 

 temporal, ossification of, 313 

 zygomatic, 314 

 Border vein, 275 

 Bowman's capsule, 199, 200 

 Brachial artery, 268 

 plexus, 355 

 vein, 275 

 Brachium conjunctivum, 337 



ppntis, 336 

 Brain, human, 326 

 of pig, 117 

 olfactory, 328 

 vesicles, primary, 321, 326 

 Branchial arches, 144, 315 

 chick, 58 

 human, 84 

 pig, 91, 96, 114 

 skeleton, 315 

 duct, 163 



groove, 56, 57, 91, 144, 162 

 Branchiomerism, 365 

 Broad ligaments, 222 

 Bronchi, primary, of pig, 97, 121 



ventral, 168 



Bronchial buds, 121, 168 

 Brunner, duodenal glands of, 174 

 Bulbar limb, 249 



swellings, 123 

 Bulbo-urethral glands, 228 

 Bulbus cordis, 59, 62, 85, 249 

 Bundle, atrio-ventricular, 258 

 ground, 325 



median longitudinal, 335 

 Bursa infracardiaca, 161 



