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Nerve or Nerves (contd.)--

petrosal (contd.), superficial, external, 782
greater, 782

lesser, 759, 782, 786
pharyngeal, 778, 1150

of glossopharyngeal nerve, 786

of spheno-palatine ganglion, 778
of sympathetic, 756
of vagus, 788
phrenic, 699

branches of, 699

communications of, 699, 702
surgical anatomy of, 1393
of pinna, 830

to piriformis muscle, 729
plantar, lateral, 734

surgical anatomy of, 1465
medial, 734

surgical anatomy of, 1465

posterior descending supra-clavicular, 696
morphology of, 700

to prevertebral muscles, 695
to psoas major muscle, 720
of pterygoid canal, 777
pterygoid, external, 779
internus, 778

pudendal, 738
pulmonary, 1096

from sympathetic, 761
from vagus, 789

to pyramidalis abdominis muscle, 717
to quadratus femoris muscle, 728
lumborum muscle, 720

radial, 710

collateral branches of, 711

cutaneus brachii posterior, 711

dorsal cutaneous nerve of forearm, 711

ulnar collateral nerve, 711

course of, 711

deep ramus of, 712

dorsal interosseous, 713

superficial rami of, 712

surgical anatomy of, 1454

topography of, at elbow, 1450

in arm, 710, 711

variations of, 752

to radio-carpal joint, 705

to radius, 705

ramus anastomoticus peronæus, 730

of rectum, 1233

recurrens (vagi), 788

recurrent tibial, 730

to rhomboids, 702

sacral, 691, 727, 735

anterior rami of, 727, 735

visceral branches of, 736

posterior rami of, 691

sacro-coccygeal, anterior, 738
posterior, 691

saphenous, 726

surgical anatomy of, in foot, 1465
in leg, 1463

in thigh, 1461

to scaleni muscles, 695, 697

to scalp muscles, 783

scapular, dorsal, 702

sciatic, 728

course of, 728

division of nerve to hamstrings, 728

nerve to short head of biceps, 728
surgical anatomy of, 1456

scrotal anterior, 721

Nerve or Nerves (contd.)—
scrotal (contd.) posterior, 739
segmental, of head, 796
to semicircular ducts, 785
sensory ganglion of, 510
to short head of biceps, 729
muscles of little finger, 709
of thumb, 706

to shoulder-joint, from axillary, 710
from supra-scapular, 703
of skin, 858

of small intestine, 1187
spermatic, external, 722
spheno-palatine, 775

to sphincter ani muscle, 738, 739
pupillæ muscle, 814

spinal, 685

anterior rami of, 685
classification of, 678
development of, 679

distribution of, general, 680, 687
to limb-muscles, 687
to skin of limbs, 687
formation of, 680
ganglia of, 685

gray rami of, 680, 681
of brachial plexus, 700
of cervical plexus, 694

of lumbo-sacral plexus, 719

of pudendal plexus, 719

of sacral plexus, 719

of thoracic nerves, 714, 716, 717
morphology of rami, 681, 691, 741
number of, 678

origin of, 522, 528
posterior rami, 687, 691
recurrent branches of, 686
relation of, to meninges, 686
to vertebræ, 1442, 1443
roots of, 519
anterior, 519

development of, 679
posterior, 519

development of, 679

segmental disposition of, 687
size of, 678

somatic portion of, 680
splanchnic portion of, 680
visceral branches of, 680
white rami of, 687

development of, 681

of lumbar and sacral nerves, 719
of pudendal plexus, 719

of sacral plexus, 719

of thoracic, 714, 716, 717

spinosus, 778

splanchnic, 761

greater, 761, 764
Ïesser, 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

1548

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INDEX.

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

non-medullated, 754

[blocks in formation]

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

medullated, 754

splanchnic, 754, 756

terminations of, 504, 509

of, 532

Neuron, 503

Wallerian degeneration

Nerve-roots, 519

anterior, origin of fibres of, 528

development of, 519

cerebral, 592

spinal, 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

relation of, to sympathetic, 754

Nervous system, 497

cerebro-spinal, 497

early stages of development, 30
elements of the, 497

Neuro-muscular spindles, 866

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

of hydra, 497

ala of, 799

[blocks in formation]

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

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Occipito-epistropheal ligaments, 311

Occipito-frontal fasciculus, 650

Occipito-mastoid suture, 165, 171
Oculo-motor nerve, 683

connexions of, 604

development of, 683

morphology of, 798

nucleus of, 603

splanchnic efferent nucleus of, 604

sulcus, 603

Oculo-nasal sulci, 49

Odontoblasts, 1245

processes of, 1247

Esophageal arteries of aorta, 925

of coronary, 929

of inferior thyreoid, 611
morphology of, 1046
groove of liver, 1189
of lung, 1094

opening of diaphragm, 473
orifice of stomach, 1163
plexus, 791

veins, 961

Esophagus, 1150

abdominal part of, 1152

cervical portion of, 1151

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