Invagination is the process of a surface folding in on itself to form a cavity, pouch or tube. In developmental biology, invagination of epithelial sheets occurs in many contexts during embryonic development.

The meaning of INVAGINATION is an act or process of invaginating; specifically : the formation of a gastrula by an infolding of part of the wall of the blastula.

invagination A folding into or ensheathing. The process of invagination occurs in the early development of the embryo when part of the BLASTODERM folds inward so that the hollow sphere becomes cup-shaped and double-walled.

By changing the physical properties such as the shape and/or position of a population of cells, invagination drives processes ranging from reconfiguring the entire body axis during gastrulation, to forming the primordia of the eyes, ears and multiple ducts and glands, during organogenesis.

Invagination♣ is the production of a tube by local in-pushing of a surface, as when an extended finger is pressed radially against a partially inflated balloon. There are two main forms of invagination: axial and orthogonal.

Invagination is the bending of an epithelial sheet to form a groove or a vesicle (Fig. 1 B). This epithelial rearrangement is widely used in embryonic morphogenesis (Lecuit and Lenne, 2007), for example during neural tube formation (Suzuki et al., 2012).

'Invagination' refers to the process where cells undergo inward bending or folding, often facilitated by mechanisms such as apical constriction, to create an indentation or invagination.

Invagination is the process where a portion of a cell or tissue folds inward, creating a pocket or cavity. This folding is significant in various developmental processes and is a key feature in the classification of animals, particularly in relation to body plan organization and gastrulation.

2023年5月29日 · Invagination 1. (Science: biology) The condition of an invaginated organ or part. 2. (Science: biology) One of the methods by which the various germinal layers of the ovum are …

2024年3月21日 · Evagination might describe the outward expansion of a material under pressure, while invagination could refer to the inward compression or folding of materials, relevant in engineering and design principles.