INDEX 



405 



Nerve, trigeminal, 94, 118, 361 



trochlear, 118, 330, 361 



ulnar, 356, 



vagus, 95, 118, 361, 364 



visceral mixed, 361 

 Nervous layer of retina, 128 



system, 93, 117 

 central, 321 

 chick, 46, 56 

 human, 82, 321 

 peripheral, 353 

 sympathetic, 366 



tissue, histogenesis of, 299 

 Neural crest, 52, 94, 302 

 chick, 42 



folds, 39, 41, 42 



groove, 39, 299 



plate, 299 



tube, 39, 41,66, 299, 332 

 anomalies of, 352 

 origin of, 30 

 supporting cells of, 307 

 Neurenteric canal, 32, 33, 34, 78 

 Neurilemma, 305 

 Neuroblasts, 301 



differentiation of, into neurones, 301 



of retina, 382 

 Neurofibrillae, 302 

 Neuroglia cells, 300, 301, 307, 308 



fibers, 300, 301, 307, 308 . 

 Neurokeratin, 305, 308 

 Neuromeres, 47, 107, 117, 334 

 Neurons, 302 



afferent, 302 



concept, 301 



differentiation of neurobl^sts into, 301 

 Neuroppres, 41, 321 



anterior, 44 

 Neutrophils, 246 

 Nipple, 297 

 Node, primitive. (See Knot.) 



of Ranvier, 305 

 Nodose ganglion, 95, 118, 364 

 Nodulus cerebelli, 336 

 Normoblasts, 244 

 Nose, 371 

 Notochord, 34, 39, 309 



chick, 41, 65 



origin of, 30, 36 

 Notochordal canal, 34 



plate, 31, 33, 37, 39, 66 

 Nuclear zone, 301 

 Nuclei pulposi, 36, 309 

 Nucleolus, 7 

 Nucleus ambiguus, 364 



caudate, 345 



cuneatus, 335 



dentate, 337 



gracilis, 335 



lenticular, 345 



of pons, 336 



olivary, 335 



receptive, 335 



red, 338 



ruber, 338 



terminal, 335 

 Nuck's diverticula, 225 

 Nymphas, 227 



OBEX, 334 



Oblique vein of left atrium, 271 



Obturator membrane, 316 



nerve, 356 



Occipital bone, ossification of, 312 

 Oculomotor nerve, 94, 118, 230, 360 

 Odontoblasts, 157 

 Olfactory apparatus, 346 



brain, 328 



epithelium, 130 



fossa, 371, 372 



lobe, 346 



nerve, 357 



organ, 371 



pits, 114, 371, 372 



Pig. 91 



placodes, 372 



stalk, 346 



tracts, 346 

 Olivary nucleus, 335 

 Omental bursa, 190 



inferior recess of, 191 

 Omentum, 136, 171, 181, 191, 192 

 Oocyte, 1 8 



primary, 18 

 , Oogenesis, 8, 17 

 Oogonia, 18 

 Operculum, 349 

 Ophthalmic nerve, 118, 362 



vein, 271 

 Optic chiasma, 329, 358 



cup, 57, 114, 327, 376, 381 



nerve, 117, 358, 382 



placode, 376 



recess, 330, 343 



stalks, 48, 61, 376 



tract, 358 



vesicles, 41, 44, 46, 48, 61, 343 

 Ora serrata, 381 

 Oral cavity, 144 

 Orbital operculum, 349 

 Organ, Corti's, 360, 386 



Jacobson's, 358, 374 



spiral, 360, 386, 387 



vomero-nasal, 358, 374 

 Os coxae, 316 

 Ossjcles, auditory, 389 

 Ossification of carpus, 316 



of chondrocranium, 312 



of clavicle, 315 



of ethmoid bone, 313 



of femur, 316 



of fibula, 316 



of humerus, 316 



of ilium, 316 



of ischium, 316 



of metatarsus, 316 



of occipital bone, 312 



of patella, 316 



of phalanges, 316 



of pisiform, 316 



of jmbis, 316 



of radius, 316 



of skull, 312 



of sphenoid bone, 313 



of tarsus, 316 



of temporal bone, 313 



of tibia, 316 



