invagination

/ɪnˌvædʒɪˈneɪʃən/
noun
  1. The process or result of folding inward to form a pouch or tube, especially in biology or medicine.
    • During gastrulation, invagination creates the primitive gut.
    • The doctor explained that invagination of the intestinal wall can cause a blockage.
    • Invagination of the cell membrane is the first step in forming a vesicle.
Antonyms
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