Tissue Vocabulary

2. Fat One of two types of fatty tissue in mammals, composed of white, lipid-filled cells.
4. Junction An organized collection of protein channels in cell membranes that allows ions and small molecules to pass between adjacent cells.
9. System Any of the minute tubes which form a network in bone and contain blood vessels.
10. Mature cartilage cells.
11. Whip-like cellular extension that moves substances along the cell surface.
12. The innermost layer of cells.
14. Junction Forms a tight seal between cells with weblike strands of transmembrane protein.
15. Fat A dark colored adipose tissue with many blood vessels.

1. Hard protein material found in the epidermis, hair and nails that helps prevent water loss from the surface of the body.
3. A bone cell.
5. The middle layer of a cell.
6. Containing no blood vessels.
7. A cell in connective tissue which produces collagen and other fibers.
8. A type of white blood cell that ingests foreign material.
13. A structural unit of compact bone consisting of a central canal surrounded by concentric cylindrical lamellae of matrix.