inferior mediastinum

(redirected from mediastinum inferius)

in·fe·ri·or me·di·as·ti·num

[TA]
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]