[with obj.](Biology & Physiology)(生, 生理)turn (a tubular or pouch-shaped organ or structure) inside out 使(管状、袋状器官或结构)外翻,凸出 ■[no obj.](of such a structure or organ) turn inside out (管状、袋状器官或结构)外翻,外突
派生 evagination noun 语源
mid 17th cent.: from Latin evaginat- 'unsheathed', from the verb evaginare, from e- (variant of ex-) 'out of' + vagina 'sheath'