1296 
Sphenoidal process of palate, 137, 138, 168 
sinus, 118, 120, 123, 124, 147, 166, 168, 169 
turbinals, 124, 168 
spine, 120 
Spheno-mandibular ligament, 35, 260 
Spheno-maxillary fissure, 121, 127, 132, 146, 
TO), Wyle, Wass Waiy M5}s) 
fossa, 153, 154. 
Spheno-palatine artery, 768 
foramen, 138, 154, 168 
ganglion, 641, 657 
nerves, 640 
notch, 138 
veln, 835 
Spheno-parietal sinus, 841, 904 
suture, 148 
Spheno-petrous fissure, 159, 160 
Spheno-squamous suture, 152, 157 
Spheno-vomerine canal, 136 
Spheno-zygomatic suture, 147 
Sphere, attraction, 9, 10, 15 
Sphincter ani externus, 406, 408, 412, 1045 
internus, 1042, 1045 
pupille, 689 
pyloric, 1006, 1008 
reeti, 1045 
vagine, 407 
vesicee, 1102 
Spigelian lobe of liver, 1062 
Spina angularis of sphenoid, 120, 151 
helicis, 701 
trochlearis of frontal bone, 102, 146 
Spinal accessory nerve. See Nerves 
arteries, 773, 774, 793, 805, 883 
canal, 74 
column, 72. 
cord, 414, 420 
anterior root-zone of, 566 
basis bundle of, anterior, 484, 435, 438 
lateral, 433, 434, 438 
cauda equina of, 422, 567 
central canal of, 424, 427, 428, 488, 449 
See also Vertebral column 
cervical enlargement of, 422, 425, 1196, 
1198 
Clarke’s vesicular column of, 430, 433, 
434 
columns of, antero-lateral, 423 
anterior, 423, 425, 434, 437, 438, 447, 
448 
of Burdach of, 423, 482, 437, 449, 483, 
455, 456 
of Goll of, 423, 432, 437, 449, 453, 455, 
456 
eray. See infra, Cornua 
lateral, 423, 425, 433, 437, 438, 448 
of nerve-cells of, 429, 480 
posterior, 423, 425, 432, 433, 437, 449 
vesicular, 480, 433, 434 
white, 4238, 425 
commissure of, anterior white, 424, 435, 
437 
gray, 424 
anterior, 424 
posterior, 424, 425 
conus medullaris of, 420, 425, 426, 428 
cornua of, 424 
anterior, 424, 425, 427, 429, 433, 434, 
437, 454, 478, 476 
lateral, 424, 427, 429 
posterior, 424, 425, 427, 429, 438, 437, 
438, 455, 456, 461 
development of, 435 
INDEX. 
Spinal cord, dorsal nucleus of, 430 
enlargements of, 422, 425, 1196, 1198 
fasciculus solitarius in, 479 
filum terminale of, 421, 428 
fissures of, 422 
antero-median, 423, 427, 438 
postero-median, 423, 427, 438 
formatio reticularis of, 425, 427 
funiculus cuneatus of, 423, 432, 437 
gracilis of, 423, 432, 437 
gray matter of, 424, 427, 428 
internal structure of, 424 ' 
interseginental association fibres of, 433, 
434, 435 
length of, 420 
ligamenta denticulata of, 421, 560, 561] 
longitudinal commissural fibres of, 433 
lower limit of, in child, 1197 
lumbar enlargement of, 422, 425, 1197,1198 
marginal tract of Lowenthal of, 472, 482 
membranes of, 421, 556, 558, 559, 563 
nerve-cells of, 416, 429 
nerve-fibres of, 414, 430, 431, 432, 433, 
436, 438 
neuroglia of, 428, 431 
origin of nerves from, 414, 421, 423, 477, 
566 
posterior paramedian sulcus of, 423, 427 
postero-lateral sulcus of, 423 
relation to vertebrae, 420 
regional differences in, 427 
regions of, 421, 427 
segments of, 421 
sensory and motor distribution of various: 
segments of, 1198 
septa of, 421, 423, 425, 427, 431, 438 
substantia gelatinosa of, 424, 428, 433, 485 
spongiosa of, 428 
sulei of, 422 
surgical anatomy of, 1198 
theca of, 421 
tracts of, 431 
of Burdach, 432, 438. 
Column of Burdach 
comma, 433 
descending septo-marginal, 433 
direct cerebellar, 480, 433, 438 
of Goll, 432,488. See also supra, Column 
of Goll 
of Gowers, 483, 488 
of Lissauer, 483 
pyramidal crossed, 433, 434, 438 
direct, 434, 438 
trigeminal root-fibres in, 486 
veins of, 843 
white matter of, 425, 427, 431 
See also supra, 
foramen, 73, 74, 75, 76, 78, 80 
furrow, 1193 
ganglia, 414, 566, 619, 663 
nerves. See Nerves 
venous plexus, anterior, 842 
posterior, 843 
Spinalis dorsi muscle, 368 
Spindle, achromatic, 10, 13 
Spine. See Vertebral column 
alar, of sphenoid bone, 120, 151, 152, 157, 162 
ethmoidal, 120 
genial, 140 
iliac anterior inferior, 207, 1209, 1212 3 
superior, 207, 216 
posterior inferior, 207 
superior, 207, 216, 1209 
