invaginate

vt. 收进鞘中
vi. 收进鞘中
【医】 折入, 凹入, 套迭

动词过去式:invaginated 过去分词:invaginated 现在分词:invaginating 第三人称单数:invaginates 

in.vag.i.nate

v.（动词）
in.vag.i.nat.ed,in.vag.i.nat.ing,in.vag.i.nates
v.tr.intr.（及物动词和不及物动词）
To enclose or become enclosed in or as if in a sheath.
（使）入鞘：装入鞘中或为鞘所围
To turn or become turned inward.
（使）内转：弯得或成为向内弯
To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.
套叠：折叠或变成折叠以便在原先实心的结构中形成一个中空的空间，如囊胚形成原肠胚的过程

来源：
Medieval Latin inv3gon3re inv3gon3t-
中世纪拉丁语 inv3gon3re inv3gon3t-
Latin in- [in] * see in- 2
拉丁语 in- [在…里面] *参见 in-2
Latin v3gona [sheath]
拉丁语 v3gona [鞘]