evaginate
/ɪˈvædʒɪneɪt/verb
with obj.
1- Biology & Physiology【生, 生理】turn (a tubular or pouch-shaped organ or structure) inside out使（管状、袋状器官或构造）外翻, 使翻出。
1.1
- no obj.(of such a structure or organ) turn inside out（管状或袋状构造或器官）外翻, 翻出。
派生词
evagination
noun词源
mid 17th cent.: from Latin evaginat- 'unsheathed', from the verb evaginare, from e- （variant of ex-） 'out of'+vagina 'sheath'.