| 释义 |
me·di·as·ti·num
\ˌmēdēəˈstīnəm\ noun
(plural mediasti·na \-nə\)
Etymology: New Latin, from neuter of Latin mediastinus medial, from medius middle — more at mid
1. : the space in the chest between the pleural sacs of the lungs that contains all the viscera of the chest except the lungs and pleurae; also : this space with its contents
2. : a mass of connective tissue at the back of the testis being continuous externally with the tunica albuginea and internally with the interlobular septa and enclosing the rete testis |