Epithelium

Card Set Information

Author:
BodeS
ID:
294928
Filename:
Epithelium
Updated:
2015-02-23 01:17:32
Tags:
Anatomy
Folders:

Description:
lining, surfaces, glands
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  1. 2 types of classifications of epithelium?
    • number of cell layers
    • shape of cells
  2. characteristics of epithelium?
    • densely packed cells
    • avascular 
    • polarity-apical edge/basal edge
    • very little extra cellular material
  3. ID?
    FXN?
    LOCATION?
     


    • ID: simple squamous epithelium
    • FXN: diffusion; friction free
    • LOCATION: lungs- aveoli
    • blood vessel- lining
    • outside some organs
  4. ID?
    FXN?
    LOCATION?

    • ID: simple cuboidal epithelium
    • FXN: absorption
    • secretion
    • specific transport
    • LOCATION: kidney tubule
  5. ID?
    FXN?
    LOCATION?
    • ID: simple columnar epithelium
    • with goblet cells and microvilli 
    • FXN: absorption
    • secretion
    • more volume/capacity
    • fxn (goblet): produce mucus
    • fxn (microvilli): increase surface area
    • LOCATION: digestive
  6. ID?
    FXN?
    LOCATION?


    • ID: simple columnar epithelium
    • FXN: absorption
    • secretion
    • more volume/capacity
    • LOCATION: kidney tubule
  7. ID?
    FXN?
    LOCATION?
    • ID: pseudostratified columnar w/ goblet cells and cilia
    • FXN: clean airways
    • goblet fxn: make mucus
    • trap dust, pollen, and soot
    • in mucus
    • and move up
    • cillia fxn: elevate mucus 
    • LOCATION: trachea
  8. ID?
    FXN?
    LOCATION?
    • ID: keratinized stratified squamous epithelium
    • FXN: waterproof protection
    • LOCATION: epidermis
  9. ID?
    FXN?
    LOCATION?


    • ID: non-keratinized stratified squamous epithelium
    • FXN: wet protection
    • LOCATION: mouth
    • pharynx
    • esophagus
  10. ID?
    FXN?
    LOCATION?
    • ID: transitional epithelium
    • FXN: stretch with protection
    • LOCATION: bladder
    • urinary tracts

    • + tight junctions
    • + domed shaped cells
  11. Apical edge
    • top layer of cells
    • face the lumen
    • in stratified epethelium
  12. basal lamina
    • edge
    • basement membrane
    • bottom layer of cells
    • simple or stratified epithelium

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