INDEX. 



661 



Nuclei, pontile, 473, 526, 537 



receptive, 474 



red (ruber), 473, 524 



terminal of afferent nerves of epi- 



chordal brain, 525 to 532 

 of tractus solitarius, 469, 526, 531 

 of V, 467, 527, 530, 531 

 of VIII, 469, 529 



tracts from Deiter's, 473, 518 

 Nucleoli, function of, 2 



false, i 



true, 2 



Nucleoplasm, i 

 Nucleus, the, i 



ambiguous, X, 495, 524 



caudatus of corpus striatum, 553 



commissuralis, 526 



dentatus, 478, 479, 537 



dorsal efferent, X, 495 



functions of, 2 



habenulae, 462, 540 



incertus, 531 



inferior olivary, 473, 526, 527, 531 



intercalatus, 531 



lateral, 527 



lenticularis, 553 



lentiformis, 553 



of Darkschewitsch, 524 



sperm, 37 



structure of, i 

 Nutrition of earliest stages of embryo, 108 



Obex, 520 



Obturator foramen, 207 

 Occipital bone, 194, 196 

 Occipital depression, 146 

 Icculomotor, III, nerve, 469 

 )dontoblasts, 326 

 )dontoid process (dens), 188 

 "Isophageal region, 318 

 :sophagus, the, 336 

 anomalies of, 357 

 methods of study of, 359 

 )lfactory apparatus, see Nose 



area (see also Arc hi pallium), 565 



bulbs, 459, 548 



lobes, 476, 485, 547, 548 



anterior, 476, 546, 547, 548, 589 

 posterior, 476, 546, 547, 548, 589 

 I, nerve, 474, 475. 508, 512 

 peduncle, 548 

 placodes, 589 

 stalk, 548' 



tracts, 474, 475, 512, 544 

 )lives, accessory, 527 



inferior, 473, 526, 527, 531 

 superior, 530 



)livo-cerebellar fibers, 528, 536 

 )menta, anomalies of, 384 

 (mental bursa, 380 



epiploic foramen of, 380 

 >mentum, 379 

 greater, 380 

 lesser, 381 

 Omosternum, 215 

 Omphalocele, 622 

 Omphalomesenteric arteries, 105, 107,239 



Omphalomesenteric veins, 106, 238 

 Oocyte, primary, 20 



secondary, 21 

 Opercula of insula, 559 

 Optic apparatus, see Eye 



chiasma, 512, 538 



cup, 576, 579, 5 8 7 



depression, 573 



evagination, 574, 586 



lobes, 462, 474, 475 



II, nerve, 461, 474, 512, 537/586 



neurone, first or distal, 583 

 second or middle, 583 



radiation, 477, 478 



stalk, 574, 586 



thalami, 586 



tract, 475, 512, 537, 586 



vesicles, 144, 461, 481, 574 



vesicle area, 574 

 Ora serrata, 580 

 Orange G, 636 

 Oral fossa, 143, 151 



pit, 319 



Orbitosphenoid bone, 195 

 Organ of Corti, 467, 474, 565, 597 



of Giraldes, 421 



of Rosenmuller, 419 

 Organogenesis, 163 

 Origin of the aorta from both ventricles, 



286 



Orth's fluid, 632 

 Os calcis (calcaneus), 208 



centrale, 217 



coxa?, 207 



Ossa suprasternalia, 189 

 Osseous tissue, 173 

 Ossification center, 175, 178 



endochondral, 176 



intracartilaginous, 176 



intramembranous, 173 



subperiosteal, 176, 178 



stage, 1 86 

 Osteoblasts, 175 

 Osteoclasts, 175 

 Osteogenetic tissue, 175, 177 

 Ostium abdominale tubae, 418 



atrio-ventriculare, 232 

 Otic ganglion, 508 

 Otocyst, 592 

 Ova, alecithal, 12, 42, 43 



centrolecithal, 12, 42, 45 



primitive, 411 

 number of, 413 



telolecithal, 12, 42, 44, 46 

 Ovarian cysts, 614 



(Graafian) follicle, 412 

 liquor folliculi, 412 

 rupture of, 413 

 stratum granulosum of, 412 



zona x pellucida, 412 



radiata, 412 



Ovarian ligament, the, 426 

 Ovary, the, 409 



anomalies of, 437 



corpus haemorrhagicum, 414 

 luteum, 413 



descent of, 426, 441 



