Tongue (contd.), sulcus terminalis of, 1125

surgical anatomy of, 1381
taste-buds of, 854
thyreo-glossal duct of, 42, 46, 1348

surgical anatomy of, 1381
vessels of, 1130
Tonsil or Tonsilla, of auditory tube, 838

cerebelli, 575
lingual, 1126
palatine, 1145

arteries of, 1147
development of, 1249
lymph vessels of, 1147
nerves of, 1147
plica triangularis of, 1146
relations of, 1147
surgical anatomy of, 1383
pharyngea, 1143

surgical anatomy of, 1385
Tonsillar arteries, 1147

lymph gland, 1392
nerve, 786, 1147

plexus, 1147
Tooth-band, 1245
Torus levatorius, 1143

occipitalis transversus, 277
palatinus, 279
tubarius, 1143

uretericus, 1277
Touch, organs of, 858, 863-866
Trabeculæ lienis, 1353

carneæ, 877
corporum cavernosorum, 1300

cranii, 290
Trachea, 1078

bifurcation of, 1076, 1402
cartilaginous rings of, 1081
development of, 1 100
fibro-elastic membrane of, 1081
mucous glands of, 1082

membrane of, 1082
muscle of, 1081
relations of, 1079
structure of wall of, 1081
surface and surgical anatomy of, 1388, 1402

thoracic part of, 1080
Tracheal arteries, 911

cartilages, 1081
Tracheotomy, high, 1388

low, 1388
Tracts or Tractus, see also under Spinal

medulla
antero-lateral, 535
bulbo-spinal, 537, 538
bulbo-thalamic, 591
Burdach, 531, 533, 537, 547, 559
callosal, crossed, 631
central tegmental, of pons, 568
cerebellar, 536, 537, 546, 563, 578

sensory, 538, 546
cerebello-olivary, 556, 560
cerebro-pontine, 566
cerebro-spinal, lateral (crossed pyramidal,

338, 545, 557, 565
cerebro-spinal, anterior (direct pyramidal),

536, 539, 545
in cerebral hemispheres, 642, 643
in internal capsule, 642
in medulla oblongata, 538, 545

in pons, 565
circum-olivary, 557
of corpus trapezoideum, 567

Tracts or Tractus (contd.), cortico-pontine, 653

fronto-pontine, in internal capsule, 642
of Gowers, 535, 536, 546
gracilis, 533, 547, 559
ilio-tibial, 404

surface anatomy of, 1461
interfascicular, 533, 587
of lemniscus, 568, 570, 585, 586
medial longitudinal, 562, 568, 570, 588
myelinisation of, 532, 533
olfactory, 623

lateral root of, 624
medial root of, 560

structure of, 623
olivo-spinal, 538
optic, 619
cerebral connexions of, 620
commissural fibres of, 619
efferent fibres of, 619
lateral root of, 620

medial root of, 619
postero-lateral (of Lissauer), 534
proprius, 537
rubro-spinal, 538, 588
septo-marginal descending, 535
solitarius, 597
spinalis of trigeminal nerve, 547, 601
spino-tectal, 537
spino-thalamic, 535, 537, 562, 591
spiralis foraminosus, 844, 845
superficial, antero-lateral, 536, 546
tecto-spinal, 537, 562
temporo-pontine, 653
thalamo-olivary, 556

vestibulo-spinal, 537, 538
Tragicus muscle, 829
Tragus, 828
Transpyloric plane, 1411
Transverse artery of basilar, 907

cervical artery, 911
carpal articulation, 330
fissure of brain, 604
humeral ligament, 321
intermetacarpal ligament, 332
ligament of acetabulum, 339

of knee, 348
metacarpal ligaments, 333
metatarsal ligament, 360
perineal ligament, 338
processes of vertebræ, cervical, 90, 92, 93

lumbar, 90
sacral, 98
surgical anatomy of, 1393

thoracic, 93, 94
scapular artery, 911

ligaments, superior and inferior, 320

vein, 911
tarsal articulation, 357

vesical fold, 1283
Transversalis fascia, 475
Transversus abdominis muscle, 480

auriculæ muscle, 830
perinei profundus muscle, 488

superficialis muscle, 487
thoracis muscle, 470
of tongue, 463

vaginæ muscle, 489
Trapezius muscle, 365

surgical anatomy of, 1437
Trapezoid ligament, 319

ridge of clavicle, 199
Traube, semilunar space of, 1418

Triangle of auscultation, 367

carotid, 1390, 1391
digastric, 1390, 1391
epigastric, 1397
femoral, 414
of Hesselbach, 483, 1235, 1408
lower carotid, 1393
lumbar, 478

of Petit, 367
surgical anatomy of, 1437
of Macewen, 126, 168
medial supracondylar, 1447
rectal, of perineum, 1427
submental, 1387
suboccipital, 444
supramarginal, 1359
suprameatal, 126, 168

urogenital, 1427
Triangles of neck, 1387
Triangular ligament of liver, left, 1196

right, 1196
Triangularis (oris) muscle, 451
Triceps brachii muscle, 381

surgical anatomy of, 1437
suræ muscle, 428
Tricuspid area, 1405
orifice, 874, 877

surface anatomy of, 1405
valve, 877
Trigeminal nerve, 771

development of, 683
main sensory nucleus of, 600
mesencephalic root of, 601

nature of, 602
motor nucleus of, 601
sensory root of, 600

tractus spinalis of, 601
Trigonum acustici, 551

collaterale, of lateral ventricle, 636, 637
femorale, 414, 1291
habenulæ, 611, 614
hypoglossi, 551, 594
olfactorium, 623
vagi, 551

vesicæ, 1277
Triquetral bone of hand, 219

morphology of, 295

ossification of, 223
Trochanter major, 241, 1455

minor, 242

tertius, 242, 281
Trochlea, 206

of humerus, 208
of superior oblique muscle, 453

tali, 254
Trochlear fossa, 117
nerve, 770

development of, 683

nucleus of, 602
spine, 117

surface, 204, 208
Trochoid rotatory joint, 301
Trolard, anastomotic vein of, 971
Tröltsch, recesses of, 842
Trophoblast, 21
Trunci lumbales (lymphatic), 997
Truncus corporis callosi, 630

costo-cervical, 914
intestinal, 997, 1210
jugular lymphatic, 998
lumbo-sacral, 727
subclavius, 998

Truncus sympathicus, 753
Trunks of brachial plexus, 700, 742

Tuber; Tuberculum or Tuberositas ; Tubercle

or Tuberosity (contd.)-
papillare hepatis, 1192
parietal, 118
peroneal, 1464
pharyngeal, 123, 176, 179
posterius atlantis, 91

vertebrarum cervicalium, 90
post-glenoid, 126, 278
pterygoid, 138, 175
pubicum, 233, 237
for the quadratus, 240
of radius, 215
of rib, 109, 111, 112
of Santorini, 1069
scalene, 111
supraglenoidal, 201
supratragicum, 52, 828
of talus, 254
of tibia, 246, 248
tragicum, 52, 828
ulnæ, 210
vermis cerebelli, 575
vertebrarterial, 1395
of Wrisberg, 1069

of zygoma, 153
Tubercular point of hip, 1455

process of vertebra, 284
Tubes, bronchial, in lung, 1097

dentinal, 1045, 1247
Tubular glands, 1132
Tubules of kidney, 1266

of par-oöphoron, 1316

Wolffian, 1328
Tubuli recti testis, 1288

renales, 1266
seminiferi contorti, 1288
Tunica albuginea, 1288, 1300

of corpus cavernosum penis, 1300
conjunctiva bulbi, 823

palpebrarum, 823
dartos, 1298
externa or adventitia of arteries, 868

of lymph vessels, 994

of veins, 869
fibrosa of kidneys, 1257
interna or intima of arteries, 868

of lymph vessels, 994

of veins, 869
media of arteries, 868

of lymph vessels, 994

of veins, 869
mucosa linguæ, 1129

tubæ auditivæ, 838

Tympanic cavity, 52, 191, 192, 832

Umbo membranæ tympani, 835
Uncinate process of ethmoid, 141

of pancreas, 1205
Uncus, 629
Ungual phalanges of fingers, 227

surgical anatomy of, 1444

of toes, 268
Ungues, 858
Urachus, 48, 1283, 1332
Ureter, 1268

abdominal part of, 1268
calibre of, 1270
development of, 1331
in female, 1270

surgical anatomy of, 1434
orifice of, 1277, 1278, 1428
pelvic part of, 1269
position of, 1426
posterior position of, 1437
structure of, 1270
surgical relations of, 1426
variations in, 1271

vessels and nerves of, 1271
Ureteral artery of internal spermatic and

ovarian, 928

of renal, 927
Urethra, 1284

bulb of, 1308
cavernous part, 1304, 1308, 1309
crista urethralis of, 1284, 1303, 1306

male, 1306
development of, 1333, 1334
external orifice of, 1284

surgical anatomy of, 1427
female, 1284

development of, 1333
fossa navicularis urethræ, 1308
glands of, 1285, 1304, 1309
internal orifice of, 1277, 1278
lacunæ of, 1285, 1309
male, 1304

surgical anatomy of, 1428
membranous part, 1304, 1307

surgical anatomy of, 1427
para-urethral duct of, 1285
prostatic part, 1304, 1305
rupture of, 1427
structure of, 1285, 1309
surgical anatomy of, 1427

utriculus prostaticus, 1306
Urinary bladder, 1271, 1278

capacity of, 1277
development of, 1328, 1332
distended, 1276
empty, 1275
in female, 1278
in infant, 1279
interior of, 1277
urachus of, 1280, 1283
ureteral orifices of, 1278

urethral orifice of, 1273, 1274
Urogenital canal, 1329

cleft, 1336
diaphragm, 489, 491

Uterine artery (contd.), surgical anatomy of,

Utricle (contd.), development of, 52

macula acustica of, 846, 857
recessus of, 846
sinus superior of, 846
Utriculus prostaticus, 1292, 1306
Uvula cerebelli, 576

palatina, 1111

vesicæ, 1277
Vagina, 1321

bulbs of, 1326
carina urethralis of, 1323
carunculæ hymenales of, 1322
columns of, 1323
development of, 1335
digital exploration of, 1435
examination of, 1435
fornix of, 1321
hymen of, 1322
introitus of, 1325
lymph vessels of, 1324
mucous membrane of, 1323
muscular coat of, 1323
nerves of, 1324
orifice of, 1325
relations of, 1322
rugæ of, 1323
septum of, 1320
structure of, 1323
variations in, 1320
vessels and nerves of, 1324

vestibule of, 1325
Vagina mucosa intertubercularis musculi bi.

cipitis brachii, 380
musculi recti abdominis, 482
nervi optici, 808
processus styloidei, 127
tendinis musculi extensoris carpi ulnaris, 384

digiti quinti, 384
hallucis longi, 431

pollicis longi, 384
flexoris hallucis longi, 431

pollicis longi, 390
peronæi longi plantaris, 426
tibialis anterioris, 424

posterioris, 431
tendinum digitalis, 388, 389

pedis, 430
musculi extensoris digitorun pedis longi,

425
flexoris digitorum pedis longi, 430
musculorum abductoris longi et extensori:

brevis pollicis, 383
extensoris digitorum communis et ei-