Structure

Card Set Information

Author:
Bryan.Gennett
ID:
186645
Filename:
Structure
Updated:
2012-12-02 17:37:24
Tags:
Histology
Folders:

Description:
Epithelium
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  1. What are the functions of Epithelium?
    • -protection
    • -secretion
    • -absorption
    • -exchange/filtering
    • -transport
    • -sensory reception
    • -contractility
    • -reproduction
  2. What type of cell shapes?
    • Squamous: flat, width > height
    • Cudodial: appear square
    • Columnar: height > width
    • Transitional: alter shape
  3. What types of cell layers?
    • -simple epithelium: one layer, blood vessels
    • -stratified epithelium: two or more layers, skin
    • -pseudostratified: one layer, but nuclei are at different heights, trachea
  4. What are the specializations?
    • -Cilia - long, motile projections, longer than microvilli, found in RESPIRATORY TRACT
    • -Goblet Cells - secretion purposes
    • -Microvilli - increase surface area, intestines¬†
  5. Simple Squamous
    • single layer, found in heart, blood vessels and lymph vessels
    • function is secretion protection and absorption
  6. Simple Cuboidal
    • occurs in excretory ducts of many glands, thyroid gland, tubules of kidney
    • function is seretion absorption and reproduction
  7. simple columnar
    • found in uterus, stomach, intestines
    • function is secretion, absorption, protection
  8. stratified squamous
    • outer layer of skin, mouth, throat, vagina, anal canal
    • function is protection
  9. stratified cuboidal
    • found in mammary glands sweat glands, salivary glands
    • function is protection
  10. Basal Laminae

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