Nerve or Nerves, thoracic, muscular branches 
of, 593, 594, 595, 596 
posterior primary divisions of, 571 
second, 593 
twelfth, 596 
to tibia, 610 
tibial, 605, 606, 608, 610 
anterior, 608 
communicating, 610 
posterior, 610 
recurrent, 608 
to tibio-fibular joint, 608, 610 
of tongue, 656, 956 
of tonsil, 648, 986 
to transversalis abdominis, 596 
to trapezius, 575, 577 
to triangularis sterni, 595 
trifacial. See Nerve, trigeminal 
trigeminal, 637, 644, 659 
ascending root of, 485 
deep origin of, 485 
development of, 657 
divisions of, 637 
Gasserian ganglion of, 637 
mesencephalic root of, 466, 486, 499 
motor root of, 466, 486, 637, 657, 659 
nuclei of, 466, 485, 486, 488, 499 
sensory root of, 485, 637, 657, 659 
spinal root of, 464, 466, 485, 488 
superficial origin of, 450, 485, 637 
trochlear, 636, 659 
communications of, 637 
deep origin of, 499 
development of, 657 
nucleus of, 499 
superficial origin of, 451, 499, 634 
tympanic, 648, 660, 714 
to ulna, 586 
ulnar, 583, 587, 1203, 1205, 1208 
collateral, 591 
communicating, 587 
to utricle, 647 
vagus, 649, 660, 1010, 1182 
abdominal branches of, 651 
afferent fibres of, 478 
root of, 658, 660 
branches of, 650 
cardio-inhibitory fibres of, 654 
communications of, 650, 651 
deep origin of, 478 
development of, 658 
efferent fibres of, 478 
root of, 658, 659, 660 
ganglion of root of, 649, 650 
ot trunk of, 649, 650 
in jugular foramen, 649 
left, 650, 651 
in neck, 649, 651 
nucleus of, 452, 478, 479 
right, 650, 651 
roots of, 478, 479, 480, 658, 659, 660 
superficial origin of, 447, 649 
in thorax, 649, 651, 652 
viscero-motor fibres of, 654 
vestibular, 647, 723 
connexion with cerebellum, 482 
deep origin of, 480 
descending root of, 481, 482 
nucleus of, 452, 481, 482 
_Vidian, 641, 645, 666 
zygomatico-facialis, 640 
zygomatico-temporalis, 640 
81 
INDEX. 1 
Nerve, zygomaticus, 640 
Nerve-cells, 416 
axons of, 416. 
of brain, 416 
cellulipetal processes of, 419 
of cerebellum, 474 
of cerebral cortex, 543 
dendrites of, 416 
development of, 417, 418, 419, 436 
ganglionic, 418 
of Golgi, 430, 544 
processes of, 416 
of Purkinjé, 474, 475 
radicular, 430 
of spinal cord, 416, 429 
ganglia, 566 
strand, 431 
of sympathetic ganglia, 662, 663 
Nerve-fibres, 414 
afferent, 415, 418, 419 
collateral, 416, 418 
efferent, 416, 419 
myelinisation of, 431, 435, 438, 496, 552 
non-medullated, 415 
primitive sheath of, 415 
splanchnic, afferent, 663, 664, 667 
efferent, 663, 664, 667, 668 
peripheral, 664 
sympathetic, 662 
cervical, 664 
destinations of, 663 
medullated, 662, 664 
non-medullated, 662, 663, 664 
splanchnic, 662, 663, 664, 667, 668 
terminations of, 415, 418 
Wallerian degeneration of, 431 
Nerve-roots, 414 
cranial, 414 
spinal, 421, 565, 566, 618 
anterior, 414, 423, 429, 437, 438, 566, 
662 
posterior, 414, 423, 432, 433, 437, 566, 
662, 663 
Nervous system, 414 
cerebro - spinal, 414. 
spinal 
sympathetic, 414. 
Neural arch. See Arch 
arteries, 793, 806 
canal, 74, 85, 87 
crest, 20 
ectoderm, 27 
fold, 63 
groove, 19, 63 
tube, 20, 435 
See also Axon 
281 
619, 
619, 
See also Cerebro- 
See also Sympathetic 
alar lamina of, 486, 4387, 442, 487, 488, 5V0, 
510, 552, 656, 657, 658 
basal lamina of, 436, 487, 444, 487, 500, 
510, 553, 656, 657, 658, 659 
cellular buds of, 619 
central canal of, 435, 436, 600 
development of cranial nerves from, 656 
of spinal nerves from, 618 
ependymal layer of, 436 
flexures of, 443 
limiting membrane of, external, 435 
internal, 435 
mantle-layer of, 436 
mid-dorsal lamina of, 485, 487 
mid-ventral lamina of, 435, 487 
myelospongium of, 436 
neuroblasts of, 486, 487, 488 
