lecture 3

4. The central cavity of a tubular or other hollow structure in an organism or cell.
5. A cell surface receptor that interacts with multiple extracellular matrix proteins including laminin and fibronectin. In mesenchymal cells and usually located on the basal side of epithelial cells.
6. Buckling of an epithelial tissue caused by constriction of the apical actomyosin band
7. A surrounding substance within which something else develops, or is contained
8. The side of an epithelial cell that faces outside or the lumen
10. Homotypic epithelial cell-cell junctions that are mediated by calcium-binding adherens junction proteins.
11. The side of an epithelial cell that faces the inside or the surface away from the lumen
13. A cell state where cells are surrounded by extracellular matrix and highly motile

1. A molecule that consists of a carbohydrate plus a protein.
2. Molecules found in cartilage that bind water and form gels by swelling to large volumes relative to their mass.
3. A subclass of glycoproteins in which the carbohydrate units are polysaccharides that contain “amino sugars” such as N-acetylglucosamine.
9. Movement where cells in an epithelial sheet retract their attachments to neighbors and undergo an epithelial to mesenchymal transition and move basally
12. The sides of an epithelial cell that faces neighbors and mediates cell-cell attachments