The inward movement of the wall of a tissue or cell, to form a cavity; also, the cavity thus formed.
The inward movement of one part of the wall of a blastula, to form a gastrula; the process of gastrulation, in which layers of the ovum are differentiated.
an ingrowth or ensheathing; a infolding of a portion of the wall of an organ.
invaginare = to ensheath; process of pushing inwards and thereby creating a sheath.
in, in + vagina, sheath] The local infolding of a layer of tissue, especially in animal embryos, so as to form a depression or pocket opening to the outside.
an infolding of the wall of a cavity into the cavity itself
"The Action of Sheathing or Introverting." See "invaginate" and "vagina."
the condition of being folded inward or sheathed
the folding in of an outer layer so as to form a pocket in the surface; "the invagination of the blastula"
Retraction, under force of pressure, of an outer surface toward the inside. ( 20)
An inward folding of a layer of cells forming an interior pocket.
Invagination means to fold inward or to sheath. In biology, this can refer to a number of processes.