covers internal and external surfaces
is not in contact with other cells
attaches the epithelial cells to underlying tissues
2 or more layers
normally found in the lung alveoli
normally found in the kidney
normally found in the stomach and intestine lining
normally found in the trachea and bronchi
normally found in the skin, mouth cornea and esophagus
normally found in the bladder, urethra, ureter
bind adjacent cells together and form permeability barriers
link that function to bind cell together
anchor cells to the basement membrane
small channels that allow adjacent cells to exchange small molecules
multicellular structure that secretes substances onto a surface, cavity or in the blood
glands with ducts
extracellular materials that separate cells from one another
microscopic ropes that are flexible but can resist stretching
very fine short collagen fibers
shapeless background of the collagen fibers in a microscope
large cells that are capable of moving about and ingesing foreign substances
release chemicals that promote inflammation
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