Specialized structures associated with the plasma membranes of epithelial cells. Some contribute to cell adhesion, others to intercellular communication.
A junction that connects tissue cells to each other (or to an extracellular matrix) and allows materials to pass from cell to cell.
A type of intercellular junction in animal cells that prevents the leakage of material between cells.
A type of intercellular junction in animal cells that allows the passage of material or current between cells.
Open channels in the cell wall of a plant through which strands of cytosol connect from an adjacent cell.
The substance in which animal tissue cells are embedded, consisting of protein and polysaccharides.
A complex carbohydrate that makes up the cell walls of fungi.