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Chapter 4 Cell Structure
n/a
5
Biology
Undergraduate 1
10/11/2010

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Term
Anchoring junction
Definition
Mechanically attaches cytoskeletons of neighboring cells (desmosomes)
Term
Tight junction
Definition
Connect the plasma membranes of adjacent cells in a sheet – no leakage
Term
Communicating junction
Definition
Chemical or electrical signal passes directly from one cell to an adjacent one (gap junction, plasmodesmata)
Term
Gap Junction
Definition
six transmembrane connexon proteins creatinga pore that connects cells; allows a passage of small molecules form cell to cell in a tissue
Term
Plasmodesmata
Definition
Cytoplasmic connections between gaps in adjoining plant cell walls
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