释义 |
segments of spinal cord C1-Co segments of spinal cord [C1-Co] [TA] one of 31 portions of the spinal cord, each of which gives rise to the anterior and posterior roots that combine to form a single pair of spinal nerves. These are the cervical spinal cord segments [C1-C8]; the thoracic spinal cord segments [T1-T12]; the lumbar spinal cord segments [L1-L5]; the sacral spinal cord segments [S1-S5], and the coccygeal spinal cord segment [Co]. Synonym(s): segmenta medullae spinalis C1-Co [TA]seg·ments of spi·nal cord [C1-Co] (seg'mĕnts spī'năl kōrd) [TA] The 31 portions of the spinal cord, each of which gives rise to the anterior and posterior roots that combine to form a single pair of spinal nerves. These are the cervical spinal cord segments [C1-C8]; the thoracic spinal cord segments [T1-T12]; the lumbar spinal cord segments [L1-L5]; the sacral spinal cord segments [S1-S5]; and the coccygeal spinal cord segment [Co]. |