mediastinum

名词 mediastinum:

1. the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus

me.di.as.ti.num

n.（名词）
【复数】 me.di.as.ti.na[-n…] 【解剖学】
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.
纵隔：哺乳动物体内将胸腔分为左右两半的中隔，由心脏和除肺以外的胸腔脏器组成

来源：
New Latin
现代拉丁语
from neuter of Medieval Latin mediastonus [medial]
源自 中世纪拉丁语 mediastonus的中性词 [居中的]
alteration influenced by Latin mediastonus [inferior servant, drudge] probably from medius [middle, intermediary]
受 拉丁语 mediastonus的影响 [低级仆人，苦工] 可能源自 medius [中间的]
of medius [middle] * see medhyo-
medius的变化 [中间的] *参见 medhyo-

【引伸】
me.diasti.nal