| 单词 | posterior mediastinum |
| 释义 | > as lemmasposterior mediastinum posterior mediastinum n. Anatomy the posterior portion of the inferior mediastinum, lying between the pericardium and the vertebral column, and containing the descending aorta and oesophagus. ΚΠ 1787 Philos. Trans. (Royal Soc.) 77 405 Below its attachment to the trachea it passes down in the posterior mediastinum, at some distance from the spine. 1851 W. P. Esrey Treat. Anat. & Physiol. 134 The posterior mediastinum extends from the heart to the spinal column, and contains the descending aorta, the superior intercostal, and greater and lesser azygos veins, the thoracic duct, the œsophagus, the great splanchnic nerves, and the pneumogastric nerves. 1899 T. C. Allbutt et al. Syst. Med. VI. 74 The posterior mediastinum between the pillars of the diaphragm. 1980 Gray's Anat. (ed. 36) viii. 1252/1 The posterior mediastinum..is bounded in front by the bifurcation of the trachea, the pulmonary vessels, the pericardium and by the posterior part of the upper surface of the diaphragm. < as lemmas |
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