618 



INDEX 



Amitosis, 3 



diagram showing, 4 

 Amnion, false, 98 



formation from amniotic fold, 97 



in Birds, 95 



in Mammals, 104, 106 



in man, in 



in Reptiles, 95 



rhythmical contractions of, 98, 114 

 Amniotic adhesions, 611 



cavity, 64, 97, in, 133 



fluid, 112 



folds, 96 



in MammalyTnfy ~ 



suture, 96 



Amoeboid movement of nuclei, 2 

 Amphiaster, 4, 33 

 Amphibians, cleavage in, 42, 43 



gastrulation in, 52 



mesoderm formation in, 72 

 Amphicytes, 492 

 Amphimixis, 38 

 Amphioxus, cleavage in, 41 



gastrulation in, 51 



germ layers of, 71 



mesoderm formation in, 68 

 Ampullae of semicircular canal, 583, 588 

 Amyelus, 606 

 Anal membrane, 341 



opening, 341 



pit, 34i 

 Anaphase, 6 

 Anencephaly, 313, 608 

 Angioblast, 269 

 Angiomata, 445 



Angle of the mouth, 141, 148, 318 

 Angulus praethalamicus, 537, 540, 547 

 Ankyloblepharon, 608 

 Animal pole (micromere), 52 

 Animalculists, XIII 

 Annular placenta, 130 

 Anomalies, see also Terato genesis 



of the alimentary tract, 354 



of the diaphragm, 382 



of the large vascular trunks, 287 



of the heart, 285 



of the integumentary system, 444 



of the mesenteries, 382 



of the muscular system, 313 



of the nervous system, 560 



of the omenta, 382 



of the pericardium, 382 



of the placenta, 130 



Anomalies, of the respiratory system, 364 



of the skeletal system, 209 



of the umbilical cord, 131 



of the urogenital system, 429 



of the vascular system, 285 

 Anomalous position of the heart, 285 



Anophthalmia, 608 , 



Anterior colliculi, see Anterior corpora quad- 



rigemina 

 Anterior (cerebral) commissure, 454 



commissure of the cord, 503, 507 



corpora quadrigemina, 467, 517, 530, 533, 

 576 



horn (ventral gray column), 507 



neuropore, 451 



perforated space, 541 

 Anthelix, 591 

 Antitragus, 591 

 Aorta, dorsal, 218, 240 

 Aortae, primitive, 218 

 Aortic arches, 219, 241 

 Apathy, concerning peripheral nerves, 494 

 Apical body, 14 

 Apolar cells, 484 



Appendage of the epididymis, 416 

 Appendicular skeleton, 198 



anomalies of, 212 



derivation of, 199 

 Appendix testis, 421 



vermiform, 341 

 Aprosopus, 608 

 Apus, 6n 



Aquaeductus Sylvii, 456 

 Arch of the aorta, 242 

 Archencephalon, 453 

 Archenteron, 51, 56 



of Amphibians, 53 



of Amphioxus, 5' 



of Birds, 63 



of Reptiles, 61 

 Archipallial commissure, see Fornix 



commissure 

 Archipallium, 468, 505, 537, 541, 546 to 552 



connections of, 505, 537, 558 

 Arcuate fibers (external), 515 



(internal), 508, 515 

 Arcus aortae, 242 

 Area opaca, 61 



pellucida, 61, 79 



of supplemental cleavage. 60 



vasculosa, 79, 101, 217 

 Areola, the, 443 

 Areolar tissue, 167 



