Invagination Definition
Skip to main content Accessibility help AI Mode All Images Videos Forums Shopping Short videos More Tools Search Results AI Overview invagination /inˌvajəˈnāSHən/ Invagination is the biological or medical process where a surface or tissue folds inward on itself to form a cavity, pouch, or tube. Wikipedia +1 Key Contexts and Meanings Embryology and Biology: The inward bending of a cell sheet. A common example is when a hollow ball of cells (blastula) folds inward during early development to form the primitive gut (gastrula). Think of it like poking a soft rubber ball with your finger to create an indentation. Cellular Level: The folding of a cell membrane inward to form a small pocket or vesicle, which helps cells take in nutrients or fluids through processes like endocytosis. Medicine and Pathology: The telescoping or sliding of a part of an organ into itself, such as intestinal intussusception (where one segment of the intestine folds inside an adjacent segment) or basilar invaginat