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.
What do spongy mesophyll cells do? Spongy mesophyll cells are usually ball or irregularly shaped and contain a limited number o chloroplasts. It is found below the palisade layer. The large spaced between each â¦cell in the mesophyll allow for the exchange of gases which is incredibly important to a plants survival.