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of pudendal plexus, 719
of sacral plexus, 719

of thoracic, 714, 716, 717
spinosus, 778
splanchnic, 761

greater, 761, 764
lesser, 761

lowest, 761, 764
stapedius, 782

to sterno-mastoid muscle, 696, 793

from accessory, 793

of stomach, 1177

to stylo-pharyngeus muscle, 786
to subclavius, 702

of sublingual gland, 1140

of submaxillary gland, 1138
suboccipital, 688

morphology of, 691
subscapular, 713
lower, 713

1547

Nerve or Nerves (contd.)—
subscapular (contd.), short, 713
supra-clavicular (descending cervical), 696

anterior, 696
middle, 696
posterior, 696
morphology of, 700
supra-orbital, 772

surgical anatomy of, 1358
supra-scapular, 703

variations of, 700, 752
supra-trochlear, 773

surgical anatomy of, 1358
sural, of common peroneal, 730

lateral, of posterior cutaneous nerve of

thigh, 737

medial, of tibial, 732
sympathetic, 753
of taste, 598

temporal, of auriculo-temporal, 780
deep, 779

of facial, 783
topography of, 1359

to tensor fascia latæ muscle, 729
tympani muscle, 835

veli palatini muscle, 786, 788
tentorii, 772

to teres minor muscle, 710
terminalis, 608

thoracic, 713

anterior rami of, 713

cutaneous branches of, 714
of first, 714

of second, 714

of twelfth, 717

communications of, 714, 716, 717, 719

muscular branches of, 703

of first, 714

of second, 714

of twelfth, 717

posterior rami of, 690

cutaneous branches of, 690

first, 713

lateral anterior, 703
long, 702

medial anterior, 703
second, 690

twelfth, 690

thoraco-dorsal, 713
to tibia, 732
tibial, 729, 732

surgical anatomy of, 1458

communicating, 732
recurrent, 730

to tibio-fibular joint, from common peroneal,

730

from tibial, 732

of tongue, 1136

of tonsil, 1149

to transversus abdominis, 484
thoracis muscle, 470

to trapezius muscle, 366
from accessory, 793
trigeminal, 771

ascending root of, 601
deep origin of, 600
development of, 683
divisions of, 772
mandibular, 778
maxillary, 775
ophthalmic, 772
mesencephalic root of, 601

Nerve or Nerves (contd.)—

trigeminal, mesencephalic root of frontd.,
in pons, 602
morphology of, 796
motor root of, 601

development of, 683
morphology of, 796

nuclei of, 600

development of, 683

of mesencephalic root of, 602
in pons, 602
semilunar ganglion of, 771
sensory root of, 600

development of, 683
morphology of, 796
spinal tract of, 601

development of, 602
superficial origin of, 600, 771
trochlear, 770

communications of, 771
course of, 770

deep origin of, 602
development of, 683
morphology of, 798
nucleus of, 602

superficial origin of, 602, 770

tympanic, 786, 836

morphology of, 796
to ulna, 705
ulnar, 708

course of, 708

surgical anatomy of, in arm, 1448

at elbow, 1451
collateral, 711
to utricle, 785
to uvular muscle, 786
vagus, 786

abdominal branches of, 789
afferent fibres of, 596

root of, 795
branches of, 789

cardio-inhibitory fibres of, 793
communications of, 788, 789
deep origin of, 596
development of, 795
efferent fibres of, 596

root of, 795

ganglion nodosum of, 788
in jugular foramen, 786
jugular ganglion of, 788
left, in thorax, 786
morphology of, 797
in neck, 788
nucleus of, 597

relation of, to fourth ventricle, 551

right, in thorax, 786
roots of, 596

development of, 795
morphology of, 796
superficial origin of, 786
surgical anatomy of, 1393

termination of, in coats of stomach, 1177

in thorax, 786

viscero-motor fibres of, 793

vesical, 766
vestibular, 853

connexion of, with cerebellum, 604

deep origin of, 604
descending root of, 605

nucleus of, 604, 605

relation of, to fourth ventricle, 551
zygomatic, of facial, 773, 775

Nerve or Nerves (contd.)—

zygomatic (contd.), of maxillary, 776
zygomatico-facial, 776
zygomatico-temporal, 776
Nerve-cells, 506

axons of, 507
bipolar, 510

cellulipetal processes of, 511
of cerebellum, 579
of cerebral cortex, 645
dendrites of, 509

development of, 35, 498
ganglionic, 510

of Golgi, in cerebral cortex, 645
processes of, 528, 529, 530, 531
of Purkinjé in cerebellum, 580, 581
radicular, 528

of spinal ganglia, 685
medulla, 529

of sympathetic ganglia, 753
unipolar, 510
Nerve-components, 505
Nerve-endings, 863
free, 863

special end organs, 863
Nerve-fibres, 508

afferent, 509

collateral, 512, 534, 535
efferent, 504, 509

medullated, 508
myelinisation of, 509

of lateral cerebro-spinal tract, 533
of medial longitudinal fasciculus, 589
order of occurrence of, in spinal medulla,

533

of sensory, 532

neurolemma of, 508
non-medullated, 508, 754
primitive sheath of, 508
somatic efferent, 505
splanchnic, afferent, 754, 760

in thoracic region, 759
efferent, 505, 754, 760

in thoracic region, 761
peripheral, 755
sympathetic, 754
cervical, 756

destinations of, 754
medullated, 754

non-medullated, 754

splanchnic, 754, 756
terminations of, 504, 509

Wallerian degeneration of, 532

Nerve-roots, 519

anterior, origin of fibres of, 528
cerebral, 592
spinal, 519

development of, 519

anterior, 519, 529
development of, 520
origin of, 529

relation of, to sympathetic, 754
posterior, 519, 533, 534, 536

development of, 520, 536

in posterior funiculus of spinal medulla,

533

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relation of, to sympathetic, 754

Nervous system, 497

cerebro-spinal, 497

early stages of development, 30
elements of the, 497
of hydra, 497

Nervous system (contd.), scheme of the, 498
sympathetic, 753

Nervus, see Nerve

Neural arteries, of gluteal, 938

of intercostals, 926
canal, 31

crest, 32, 500, 679
ectoderm, 499, 501
fold, 31

groove, 23
plate, 30
syncytium, 504
tube, 31, 33

alar lamina of, 36, 505, 682
in fore-brain, 608

in hind-brain, 552, 553, 554

in mid-brain, 592

relation of, to origin of nerves, 553,

554, 682

basal lamina of, 36, 505, 682

in fore-brain, 608

in hind-brain, 553

in mid-brain, 592

relation of, to origin of nerves, 553,
554, 682

central canal of, 564, 565
development of cerebral nerves from, 682

of spinal nerves from, 679
differentiation of, 33
ependymal layer of, 502
fate of spinal portion, 35
flexures of, 514
floor-plate of, 402, 520
germinal cells of, 35

histological differentiation of walls, 35
limiting membrane of, external, 35, 502
internal, 35, 502
mantle-layer of, 502
marginal layer of, 502
myelospongium of, 503
neuroblasts of, 503
perforations in wall of, 37
roof-plate of, 402, 520
sulcus limitans of, 36
Neurenteric canal, 23, 26
Neurobiotaxis, 554

Neuroblasts, 36, 503

Neuro-central synchondrosis, 104

Neuroglia of brain, 511

of spinal medulla, 527
Neurolemma, 508
Neurology, 3

Neuro-muscular spindles, 866

Neuron, 503

Neurone theory, 503

objections to, 504

Neuropore, 31

anterior, 31, 500
posterior, 31, 500

Neuro-tendinous spindles, 865

Nictitating membrane, 821
Nipple, 1337

Nodule of cerebellum, 571

development of, 571

Noduli aggregati of vermiform process, 1217

lymphatici aggregati, 1181

intestini recti, 1230

lienales, 1355

solitarii, 1181

valvularum semilunarium, 877

Nose, 799

ala of, 799

Nose (contd.), alar sulcus of, 799
arteries of, 805
bridge of, 799
cartilages of, 800
cavity of, 801

choanæ of, 175, 185, 196
surgical anatomy of, 1246
development of, 49
digital exploration of, 1378
external, 799

floor of, 804

hiatus semilunaris of, 803
infundibulum of, 803

lateral wall of, 802

limen of, 802

lymph vessels of, 1004

meatuses of, 803

mucous membrane of, 804
muscles of, 450

action of, 452

nerve-supply of, 452

nasal index of, 799
nerves of, 805
olfactory part of, 804
outer parts of, 799

piriform openings of, 163

recessus spheno-ethmoidalis of, 802

respiratory part of, 804

septum of, 802

surgical anatomy of, 1378

veins of, 806

vessels of, 805

vestibule of, 802
Nostril, 799

Notch, acetabular, of ischium, 232

variations in, 281

cardiac, of lung, 1095
of cerebellum, 574
ethmoidal, 116

greater sciatic, of ilium, 229
infra-sternal, 1397, 1407
intercondylic, of femur, 243
jugular, 107

mandibular, 156
nasal, 115

pterygoid, 137
pterygo-palatine, 151
radial, 211

of Rivinus, 834
of sacrum, 96
scapular, 201, 203
great, 202
sciatic, 229, 232
semilunar, 211
of spleen, 1352
supraorbital, 116
suprasternal, 107
ulnar of radius, 215
umbilical, 1191
Notochord, 23, 24, 290
formation of, 24

remnants of, 25
Nuchal furrow, 1395
lines, 166, 171

of occipital bone, 121
plane of occipital bone, 121
Nuck, canal of, 1319
Nuclear juice, 8

layer of retina, 816, 817
membrane, 8, 9
Nucleolus, 8, 9, 10

false, 8

Nucleus, 8

Nucleus or Nuclei, of abducens nerve, 600
relation of, to medial longitudinal
bundle, 588, 600
accessory, 560, 595

of acoustic nerve, 604-606
ambiguus, 595, 596
amygdala, 641
anterior, of thalamus, 612
arcuate, 552, 563

development of, 552
of thalamus, 612
of Bechterew, 605
caudate, 635, 637
of cells, 8

during mitosis, 9, 13
segmentation, 10
central, of Luys, 612
cochlear, 554, 604

development of, 684
colliculi inferioris, 585

corporis geniculati lateralis, 613
medialis, 607
mamillaris, 615

of corpus trapezoideum, 606
cuneate, 533, 547, 560

development of, 552

relation of, to arcuate fibres, 560
of Deiters, 605

function of, 605
dentate, 576
dorsalis, 531

emboliformis, of cerebellum, 577
of facial, 599
fastigii, 577
fertilisation of, 20
first segmentation, 21
of funiculus solitarius, 598
globosus, 577
glossopharyngeal, 596-598

relation of, to fourth ventricle, 596
gracilis, 547

relation of, to arcuate fibres, 560
to lemniscus, 559

hypoglossal, 594

relation of, to fourth ventricle, 594
hypothalamicus, 614
intercalatus, 551
laryngeal, 598

of lateral lemniscus, 606
lentiform, 638
lentis, 520

of Luys, 614

medial, of thalamus, 611
of medulla oblongata, 551

development of, 551, 592

of mesencephalon, 584, 585, 586, 588

motor, 592

motorius nervi trigemini, 601

oculo-motor, 603
olivary, accessory, 556
inferior, 556

relation of, to cerebello-olivary fibres, 556
surface elevation of, 547

superior, 567, 606

pedicle of, 606

relation of, to corpus trapezoideum, 606
to lateral lemniscus, 606

to nucleus of lateral lemniscus, 606

of optic nerve, 620

of origin, 592

of origin of cerebral nerves, 592

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