mediastinum

剑桥词典

[ 可數名詞：有複數形式的名詞 ] plural mediastina
a structure that divides a body part in the centre
（身躰）縱隔
a mediastinal tumour 縱隔腫瘤

the area of the chest that contains the heart and other organs and tissues
縱隔腔 返回 mediastinum