626 



INDEX 



Diencephalon (inter-brain), 84, 455, 467, 474, 

 478, 531 to 538 



epithalamus, 467, 468, 505, 536 



hypophysis, 467, 533 



hypothalamus, 467, 468, 478, 531, 533 



nuclei of, 467 



Rathke's pouch, 531 



sulcus hypothalamicus, 531 

 Monroi, 531 



thalamus, 467, 478, 505, 536 

 Diffuse nucleus, 2 

 Digits, beginnings of, 143 



defects or absence of, 611 

 Diploid number of chromosomes, 17, 22, 24 

 Diprosopus, 598 



diophthalmus, 598 



monostomus, 598 



tetrophthalmus, 598 



triophthalmus, 598 

 Dipygus parasiticus, 597 

 Discoidal placenta, no 

 Disse, concerning olfactory nerve, 581 

 Diverticulum of Nuck, 422 

 Dollinger, XIII 

 Dorsal flexure, 139 



mesogastrium, 378 



septum of spinal cord, 510 

 Dorso-, lateral plate, see Alar plate 

 Double heart, 286 

 Driesch, concerning potentiality of germ cells 



604 



"Dry" labor, 113 

 Ducts, allantoic, 114, 337 



alveolar, 365 



cochlear, 586 



Cuvier's, 222, 251, 253, 373 



cystic, 346 



deferent, 416 



ejaculatory, 416 



endolymphatic, 583 



hepatic, 346 



lacrymal, 579 



mesonephric, 386, 400 



Miillerian, 399, 413, 417 



of the epididymis, 416 



oviduct, 414 



pronephric, 384, 385 



reuniens, 586 



Santorini's, 3*51 



seminiferous, 402 



Steno's, 327 



thoracic, 275, 279 



thyreoglossal, 331 



Ducts, utriculosaccular, 586 



Wharton's, 328 



Wirsung's 351 



Wolffian, 386 

 Ductule, aberrant, 417 



efferent, 417 

 Ductus arteriosus, 238, 243, 267 



choledochus, 346 



pleuro-pericardiacus, 372 



venosus, 256, 260 

 Duodenum, the, 337, 338 



change of position of, 380 

 Duplicate monsters, 593 



asymmetrical duplicity, 600 



Marchand's scheme of, 593 



symmetrical duplicity, 594 



teratoid tumors, 594 



true parasitic duplicity, 600 

 Duplicity incomplete, 598 

 Duval, concerning formation of primitive 



streak, 61 

 Dyads, 18, 22 

 Dynamic center, 8 



Ear, 450, 457, 462, 467, 506, 582 

 anomalies of, 591, 609 

 cochlea, 460 



Corti's organ, 460, 467, 558, 587 

 external, 582, 590 

 internal, 582 

 labyrinth, 460 

 middle, 582, 589 

 Ear, inner, 



acoustic nerve, 588 

 atrium, 583 

 auditory pit, 582 



placode, 582 



vesicle (otocyst), 582, 583 

 cells of, 588 

 cochlear pouch, 583 

 ducts of, 586 



endolymphatic appendage of, 583 

 fenestra cochleae (rotunda), 587 



vestibuli (ovalis), 587 

 membrana tectoria, 588 

 organ of Corti, 587 

 perilymph, 586 

 perilymphatic space, 586 

 saccule, 586 

 scala media, 586, 587 



tympani, 586, 587 



vestibuli, 586, 587 

 semicircular canals of, 583 



