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cell junction

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adherens junction

adherens junction  

A cell junction that is commonly observed in epithelial (see epithelium) cells (e.g. those lining the intestine and those in cardiac muscle cells). At these junctions the cell membranes of the ...
cell adhesion molecule

cell adhesion molecule  

(CAM)A surface signalling molecule in the cell membrane that mediates adhesion between adjacent cells. The molecule has an NH2 end, a COOH end, and a middle region containing sialic acid. The middle ...
cell junction

cell junction   Reference library

Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
26 words

a specialized region of connection between two cells or between a cell and the extracellular matrix. See also desmosome,

desmosome

desmosome  

Reference type:
Overview Page
n. an area of contact between two adjacent cells, occurring particularly in epithelia. The cell membranes at a desmosome are thickened and fine fibres (tonofibrils) extend from the desmosome into the ...
gap junction

gap junction  

A passage through the lipid bilayers of adjacent plasma membranes that mediates the transfer of small molecules or ions between interacting cells. Gap junctions are abundant in epithelial tissues and ...
plakoglobin

plakoglobin  

ora protein of cell junctions. It is thought to play a central role in the function of desmosomes and intermediate junctions.
plasma membrane

plasma membrane  

The partially permeable membrane forming the boundary of a cell. It consists mostly of protein and lipid (see lipid bilayer; fluid mosaic model) and plays various crucial roles in the cell's ...
tight junction

tight junction  

A region of the cell surface, of variable size, and situated just below the apical border where the membranes of adjacent cells are fused to form a pentalaminar structure. In simple epithelial layers ...

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