inferior mediastinum

(redirected from mediastinum inferius)

in·fe·ri·or me·di·as·ti·num

the region below a horizontal plane transecting approximately 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(s): mediastinum inferius [TA]
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