TISSUE

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SIMPLE SQUAMOUS

• Single layer of thin squished cells.
• They rest on the basement membrane.
• Found in the air sacs of lungs.

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SIMPLE CUBOIDAL

• One layer of squre shaped cells.
• They rest on the basement membrane.
• Found in the glands and their ducts.
• Also found in the walls of kidney tubules and the surface of the ovaries.

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SIMPLE COLUMNAR

• Single layer of tall column shaped cells.
• They rest on the basement membrane.
• Found in the lining of the digestive tract.

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PSEUDOSTRATIFIED (CILIATED) COLUMNAR

• Appears to be stratified but is only a single layer of cells.
• Found in the lining of the respiratory tract.

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STRATIFIED SQUAMOUS

• Consists of many layers of cells.
• Cells at the top are squamous but at the bottom are cuboidal.
• They are found in the mouth, esophagus, and the outer portion of skin.

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TRANSITIONAL

• Consists of many layers of cells
• Cells at the base are cuboidal or columnar.
• Cells at the free surface vary in shape.
• They are found in the urinary bladder, ureters, and parts of the urethra.