invaginate

• 动词，指将某物向内翻转或使形成囊状结构，常用于生物学或解剖学语境。

A verb used to describe the process of folding inward or forming a pouch-like structure, often in biological or anatomical contexts.

1. SheatheC2formalmedical

   To enclose or encase something, as if in a sheath.

   包入

   • The surgeon invaginated the tissue to protect the organ.
   • The membrane invaginates around the foreign particle.
   • During development, the cell layer invaginates to form a tube.

   同义词coverencaseencloseenvelopsheathe

2. Fold inwardsC2formalmedical

   To fold or turn inward, often referring to a biological structure.

   内陷

   • The cell wall begins to invaginate during the process of endocytosis.
   • The embryo's neural plate invaginates to form the neural tube.
   • The stomach lining can invaginate under certain conditions.

   同义词introvertintussuscept

   反义词evertextrudeprojectprotrude