spinal 音标拼音: [sp'ɑɪnəl]
a . 针的,尖刺的,尖刺状突起的,脊骨的
针的,尖刺的,尖刺状突起的,脊骨的
spinal adj 1 :
of or relating to the spine or spinal cord ; "
spinal cord "; "
spinal injury "
n 1 :
anesthesia of the lower half of the body ;
caused by injury to the spinal cord or by injecting an anesthetic beneath the arachnoid membrane that surrounds the spinal cord [
synonym :
{
spinal anesthesia }, {
spinal anaesthesia }, {
spinal }]
Spinal \
Spi "
nal \,
a . [
L .
spinalis ,
fr .
spina the spine :
cf .
F .
spinal .
See {
Spine }.]
1 . (
Anat .)
Of ,
pertaining to ,
or in the region of ,
the backbone ,
or vertebral column ;
rachidian ;
vertebral .
[
1913 Webster ]
2 .
Of or pertaining to a spine or spines .
[
1913 Webster ]
{
Spinal accessory nerves },
the eleventh pair of cranial nerves in the higher vertebrates .
They originate from the spinal cord and pass forward into the skull ,
from which they emerge in company with the pneumogastrics .
{
Spinal column },
the backbone ,
or connected series or vertebrae which forms the axis of the vertebrate skeleton ;
the spine ;
rachis ;
vertebral column .
{
Spinal cord },
the great nervous cord extending backward from the brain along the dorsal side of the spinal column of a vertebrate animal ,
and usually terminating in a threadlike appendage called the filum terminale ;
the spinal ,
or vertebral ,
marrow ;
the myelon .
The nervous tissue consists of nerve fibers and nerve cells ,
the latter being confined to the so -
called gray matter of the central portions of the cord ,
while the peripheral white matter is composed of nerve fibers only .
The center of the cord is traversed by a slender canal connecting with the ventricles of the brain .
[
1913 Webster ]
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