640 



INDEX 



Myelocystocele, 606 



Myelocytes, 177, 272 



Myelogenetic fields (areas) of Flechsig, 



558 



Myelomeningocele, 606 

 Myeloplaxes, 177, 272 

 Myelospongium, 479, 483 

 Myoblasts, 303, 307 

 Myocardium, 228, 311 

 Myoccel (coelom), 71, 370 

 Myotomes, 163, 294 



alternation of, with vertebrae, 180, 



295 



change of direction in fibers of, 295 

 degeneration of, 295 

 differentiation of, 295 

 fusion of, 295, 314 

 longitudinal splitting of, 295, 314 

 migration of, 295, 314 

 tangential splitting of, 295, 314 



Naevi pigmentosi, 445 

 Nail groove, 439 



wall, 439 

 Nails, the, 439 



epitrichium of, 440 



eponychium of, 440 



lunula of, 440 



migration of, 439 



replacement of, 440 

 Nanocephaly, 605 

 Nares, outer, 580 



posterior, 580 

 Nasal bone, 194 



conchae, 580 



fossae, 140, 589 



pit, 148, 319, 589 



process, lateral, 148 

 medial, 148 



sacs, 589 



septum, 192, 319 

 Naso-f rental process, 147, 317 

 Naso-optic furrow, 142, 147, 579 

 Navicular bone, 200 

 Neck, development of, 145 

 Neck-rump length of embryos, 153 

 Neopallial commissure (see also Corpus cal- 



losum), 468 

 Neopallium, 467, 468, 472, 552 to 560 



centrifugal connection (see also Tracts, 

 pyramidal, Cortico-pontile fibers and 

 Fibers, projection descending), 471, 472, 

 546, 555, 558 



Neopallium, centripetal connections (see also 

 Fillets, Thalamic radiations and Fibers, 

 projection ascending), 470, 471, 537, 

 546, 555, 558 

 Nephrogenic tissue, 392 

 Nephrostomes, 386 

 Nephrotomes, 388 

 Nerve fibers, afferent peripheral, 451, 486 



efferent peripheral, 452 

 Nerves, cranial, abducens, VI, 462, 515 



nucleus and roots of, 488, 515, 517, 524 

 acoustic (auditory) VIII, 462, 465, 499, 



Soo, 503, 518, 588 

 cochlear ganglion, 499, 588 



part, 462, 465 

 cochlear root, 500, 588 

 vestibular ganglion, 499, 588 



part, 462, 465 



vestibular root, 500, 503, 518, 588 

 facialis, VII, 462, 464 



afferent roots, solitary tract, 499, 518 

 chorda tympani, 498 

 efferent nucleus and roots of, 488, 517 

 geniculate ganglion of, 498, 588 

 glossopharyngeus, IX, 462, 464 

 afferent part of, 462 



roots, 499 



efferent nucleus and efferent root of, 488 

 ganglion of the trunk (petrosum), 495 



of the root, 495 



lingual and tympanic branches of, 498 

 great superficial petrosal branch, 498 

 hypoglossus, XII, 462, 515 



nucleus and roots of, 468, 524 

 lateral line, 462 

 olfactory, I, 467, 501, 505 



terminal nuclei, or mitral cells of the 



olfactory bulb, 505 

 optic, II, 454, 467, 505, 530, 576 



ganglion cells of, 505 

 oculomotor, III, 462 



nucleus and roots of, 488 

 somatic, 462 to 466 

 spinal accessory, XI, 464, 495 

 efferent fibers of, 496 



nuclei and roots of, 488 

 splanchnic, 460 to 465 

 trigeminus, V, 460, 462, 464 



afferent root (portion major), and spinal, 



V, 460, 501, 503, 518 

 efferent nuclei and roots of, 488 

 Gasserian or semilunar ganglion, 460, 

 500 



