vena
noun [ C ] medical specialized uk/ˈviː.nə/ us/ˈviː.nə/ venae /ˈviː.niː/
（拉丁语，意为从身体其他部位输送血液回心脏的血管，用于医学名词）静脉
a Latin word meaning "vein" (= a tube that carries blood to the heart from other parts of the body), used in medical names and descriptions