名词凹入; 内陷，入鞘，套入; 套带螺钉; 折入
1. 内陷：有内陷(invagination)、内移(ingression)、外包(epiboly)等形式. 原肠胚形成过程,通过形态发生,细胞迁移到特定部位,建成躯体雏形
2. 凹入,折入,套叠：introscope 内腔检视仪,内孔窥视仪 | invagination 凹入,折入,套叠 | invasive 侵害的,侵入的
3. 套迭：invagination 内陷 | invagination 套迭 | invaginationreflexed 反折
4. 内褶：菊芋多醣 inulin | 内褶 invagination | 侵袭力 invasiveness; invasive power
noun
1. the folding in of an outer layer so as to form a pocket in the surface
e.g. the invagination of the blastula
Synonym: introversion intussusception infolding
2. the condition of being folded inward or sheathed
Synonym: introversion