spinal branches

[TA] branches of the following arteries and veins that supply and drain the meninges, the roots of the spinal nerves, and in some cases, the spinal cord: 1) vertebral, 2) ascending cervical, 3) dorsal branch of posterior intercostal I-XI, 4) dorsal branch of subcostal, 5) dorsal branch of lumbar arteries, 6) lumbar branch of iliolumbar, 7) lateral sacral; all spinal arteries give rise to arteries supplying dorsal and ventral roots of spinal nerves; most are exhausted in supplying the roots as radicular arteries, but some (4-9), are large enough to reach and anastomose with the anterior and posterior spinal arteries and are designated instead as segmental medullary arteries. See: great segmental medullary artery, segmental medullary arteries. Synonym(s): rami spinales (1) [TA], spinal arteries

spi·nal branch·es

(spī'năl branch'ĕz) [TA] Branches of the following arteries that supply the meninges, the roots of the spinal nerves, and in some cases the spinal cord: 1) vertebral, 2) ascending cervical, 3) dorsal branch of posterior intercostal I-XI, 4) dorsal branch of subcostal, 5) dorsal branch of lumbar arteries, 6) lumbar branch of iliolumbar, 7) lateral sacral; all spinal arteries give rise to arteries supplying dorsal and ventral roots of spinal nerves; most are exhausted in supplying the roots as radicular arteries, but some (4-9) are large enough to reach and anastomose with the anterior and posterior spinal arteries and are designated instead as segmental medullary arteries.

单词	spinal branches
释义	spinal branches spinal branches [TA] branches of the following arteries and veins that supply and drain the meninges, the roots of the spinal nerves, and in some cases, the spinal cord: 1) vertebral, 2) ascending cervical, 3) dorsal branch of posterior intercostal I-XI, 4) dorsal branch of subcostal, 5) dorsal branch of lumbar arteries, 6) lumbar branch of iliolumbar, 7) lateral sacral; all spinal arteries give rise to arteries supplying dorsal and ventral roots of spinal nerves; most are exhausted in supplying the roots as radicular arteries, but some (4-9), are large enough to reach and anastomose with the anterior and posterior spinal arteries and are designated instead as segmental medullary arteries. See: great segmental medullary artery, segmental medullary arteries. Synonym(s): rami spinales (1) [TA], spinal arteries spi·nal branch·es (spī'năl branch'ĕz) [TA] Branches of the following arteries that supply the meninges, the roots of the spinal nerves, and in some cases the spinal cord: 1) vertebral, 2) ascending cervical, 3) dorsal branch of posterior intercostal I-XI, 4) dorsal branch of subcostal, 5) dorsal branch of lumbar arteries, 6) lumbar branch of iliolumbar, 7) lateral sacral; all spinal arteries give rise to arteries supplying dorsal and ventral roots of spinal nerves; most are exhausted in supplying the roots as radicular arteries, but some (4-9) are large enough to reach and anastomose with the anterior and posterior spinal arteries and are designated instead as segmental medullary arteries.
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