INDEX 



A. 



Accessory germ. 189. 



- nuclei (centres of ossification). 



599, 640, 643. 



- thyroid gland. 318, 320. 

 Acervulus cerebri, 436. 

 Acroblast, 180. 

 After-birth sec Placenta. 

 After-brain, 421. 



vesicle, 422, 427. 

 Air-cells of lung, 323. 

 Air-chamber of Hen's egg, 18. 219. 

 Albumen of Hen's egg, 17. 

 Alecithal eggs, 12. 

 Alimentary tube, 281. 

 Allantoic circulation, 552. 

 Allantois of Mammals, of Man. 22*. 



245, 270, 398. 



of Reptiles and Birds, 217-19. 

 Amnion of Mammals, 227. 



- of Man, 244, 250. 



of Reptiles and Birds. 2U7, 219. 

 Amniota, 238. 



Amniotic fluid of Man, 251, 271. 



- folds. 207-9. 



sheath of the umbilical cord, 252. 

 Ampulla of semicircular canals, 495. 

 Anal membrane, 291. 



- pit, 291. 

 Anamnia, 238. 



Animal cells of the germ, 60. 



- pole of the egg, 1 1 . 

 Animalculists 24. 

 Ankle-bones, 641. 

 Antrum of Highmorc. 518. 

 Anus, fundament of, 290, 400. 

 Anvil see Incus. 



Aorta caadalis. 576. 



double, 576. 



- permanent, 565, 576. 



- primitive, 295, 549. 

 Aortic arch, right-sided, 576. 



arches, 286, 571, 573. 

 Appendix vermiformis, 301. 

 Aqueductus Sylvii. 425, 431. 



Arbor vitae, 427. 



Archenteron, 85, 95. 170- see also 



Coelenteron. 

 Archiblast, 189. 

 Archiblastic tissue, 189. 

 Arcuate fissure, 443 see also Fissura 



hippocampi. 

 Area embryonalis, 102. 



- opaca. 99, 177. 



pellucida, 99, 178. 

 vasculosa, 185. 



vitellina, 185. 

 Areola mamma. 531. 

 Arteria carotis, 572. 



- centralis retinte, 475, 481. 

 hyaloidea, 475. 



iliaca, 576. 



- omphalomesenterica, 270, 549. 



- perforans stapedia, 614. 

 pulmonalis, 573. 



- sacralis media, 576. 



- spermatica, 386, 390. 



subclavia, 572. 



- umbilicalis, 260, 270, 552, 576. 



- vertebralis, 572. 

 Arterial system, 570. 

 Articular cartilage, 643. 

 Articulare, 625. 



Articulation of jaw, primary, 624. 



- secondary, 646, 626. 

 Atlas, 603. 



Atresia pupillaj congenita. 474. 

 Atrial partition. 558. 

 Atrioventricular valve, 555. 559, 561. 

 Atrium bursae omentalis, 300, 331. 



- of heart. 554. 

 Auditory organ, 490. 



- ossicles, 508. 610. 



- pit, 491. 



- ridge, 492. 



- spot, 492. 



- sac ) of Invertebrates. 492. 



- vesicle / c \Vertebrates. 491. 

 Auricle (external ear), 509. 



- (of heart), 555. 

 Auricular canal (of heart), 555. 



