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单词 superior mediastinum
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superior mediastinum
superior mediastinum n. [after post-classical Latin mediastinum superius (1746 or earlier)] Anatomy the upper part of the mediastinum; the part of the mediastinum above the heart; spec. the part of the mediastinum extending downwards from the thoracic inlet to a plane passing between the manubrium of the sternum and the fourth thoracic vertebra.
ΚΠ
1802 D. P. Blaine Outl. Vet. Art II. 133 They [sc. the pleurae] then separate to pass over the heart and pericardium, from whence they are reflected over the lungs, when on their return, again uniting, they form the superior mediastinum.
1869 J. Struthers in Jrnl. Anat. & Physiol. 3 351 I have, therefore, been in the habit of giving a distinct name to this region—the ‘superior mediastinum’... I define it as bounded behind by the three upper dorsal vertebræ, in front by the manubrium sterni, on each side by the uninterrupted pleura; as reaching above to the superior aperture of the thorax, below to the top of the aortic arch.
1959 Dis. Chest 36 343 (title) Mediastinoscopy: a method for inspection and tissue biopsy in the superior mediastinum.
2009 P. A. Iaizzo et al. Handbk. Cardiac Anat., Physiol. & Devices iv. 33/2 The superior mediastinum contains the major vessels supplying the upper extremity, the neck, and the head.
extracted from superioradj.n.adv.
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