a thin piece of wood or other rigid material used to immobilize a fractured or dislocated bone, or to maintain any part of the body in a fixed position. 2. one of a number of thin strips of wood woven together to make a chair seat, basket, etc.
If you take a close look at epithelial cells using a microscope, you will see them tightly packed together. This helps make a protective barrier for our bodies. There are also some special door-like connections between each epithelial cell called gap junctions. The gap junctions are where the cells exchange nutrients.
Simple epithelial tissue is composed of a single layer and stratified epithelial tissue composed of two or more layers. Connective Tissue Connective tissue binds structures together, provides support and protection, fills, spaces, produces blood cells, and stores fat. The body uses this stored fat for energy, insulation, and organ protection.