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13 Cards in this Set

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  • Back
Epithelial Tissue
Highly cellular
Tightly Packed
No Blood Vessels
Squamous, Cubodial, Columnar.
Always attached to basement membrane.
Classified according to shaoe & # of layers. Stratified or Simple.
Basement Membrane
Non Cellular Adhesive Layer
Simple Squamous Epithelium
Thin, flat cells that lie on basement floor like floor tiles.

Found in: LUNGS, air sacs of lungs,lines blood vessels.
* Under microscope look at the edge. Epihelial is frequently found as a lining.
Simple Cubodial Epithelium
Cubelike or wedgelike cells.
For many of the major glands and glandular organs.

Found in: KIDNEYS
Simple Columnar Epithelium
(Non- Cilitaed)
Resembles tall columns. anchored at one end to basement membrane. Goblet cells are frequently found with them.

Found in: STOMACH
Simple Columnar Epithelium
Resembles tall Columns.Anchored at one end of basement membrane.

Found In : Lining of uterine tubes.
Pseudo(False) Stratified Columnar Epithelium
Appear as if it has several layers but all cells are attached to basement membrane. Nuclei are at different levels
Found in : Trachea
Stratified Epithelia
Cells occur in layers on basement membrane.
Stratified Squamous epithelia
Multiple layers of squamous cells unattached from basement membrane.
may have cubodial cells at basement.

Found in: Skin, Esoupagus, Vaginal Canal & Mouth.
Transitional Epithelium
Has remarkable stretching capabilities.
Lines the ureter, urinary bladder, & proximal ureter. Allows bladder to expand as it fills.
Regions where cells are held together.

*Epithelial cells are held to the basement membrane by other structures . Cells are held together at
Tight Junctions
Hold the cells even more closely together.
Gap Junctions
Connect one cell to another and allow ions and other solutes to pass from one cell to another.