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Medical Definition of Inferior mediastinum
1. The region below a plane transecing the T4/5 intervertebral disc posteriorly and the sternal angle anteriorly, demarcating the inferior limit of the superior mediastinum. It is subdivided into three regions: middle, anterior, and posterior. Synonym: mediastinum inferius. (05 Mar 2000)
Lexicographical Neighbors of Inferior Mediastinum
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