General Histology at Arab Academy For Science & Technology | Flashcards & Summaries

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Lernmaterialien für General Histology an der Arab Academy for Science & Technology

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What are connective tissue fibers ?
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  • Collagen fibers.
  • Reticular fibers (collagen type III).
  • Elastic fibers.
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Collagen fibers are the strongest and most abundant fibers.
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True
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What is white fibers?
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In fresh start, collagen fibers have a white appearance, therefore called white fibers.
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Appearance of collagen fibers
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The collagen fibers appear as a parallel wavy bundles. The individual fibers do not branch while the bundle of fibers often do.
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Stain for collagen fibers
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They are stain pink with eosin.
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Types and sites of collagen fibers
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  • Type I in tendons, bone matrix and fibrocartilage.
  • Type II in cartilage matrix.
  • Type III in reticular fibers.
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What os reticular fibers ?
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They are fine branching fibers forming a network.
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Reticular fibers is not seen by H&E stain.
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True
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What is the special stain for reticular fibers?
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With silver stain ,they appear brown to black.
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What is elastic fibers ?
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These fibers contain elastic protein to starch and recoil like rubber.
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What is yellow fibers ?
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Because fresh elastic fibers appear yellow ,they are called yellow fibers.
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General Features of connective tissues
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  • Connective tissue is widely distributed in the body.
  • Rich content of blood vessels.
  • Connective tissue has 2 main elements: 
-Several types of connective tissue cells
-Extracellular matrix ,which includes:
1.CT fiber: which is embedded in variable amount of ground substance.
2.Ground substance: it is a viscous medium through which nutrient diffuse between the blood and the cell.It is formed of a mixture of:
  • interstitial tissue fluid.
  • Proteoglycans:hyaluronic acid and glycosaminoglycans.
  • Adhesive glycoprotein e.g fibronectin.
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  • 691 Studierende
  • 3 Lernmaterialien

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Q:
What are connective tissue fibers ?
A:
  • Collagen fibers.
  • Reticular fibers (collagen type III).
  • Elastic fibers.
Q:
Collagen fibers are the strongest and most abundant fibers.
A:
True
Q:
What is white fibers?
A:
In fresh start, collagen fibers have a white appearance, therefore called white fibers.
Q:
Appearance of collagen fibers
A:
The collagen fibers appear as a parallel wavy bundles. The individual fibers do not branch while the bundle of fibers often do.
Q:
Stain for collagen fibers
A:
They are stain pink with eosin.
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Q:
Types and sites of collagen fibers
A:
  • Type I in tendons, bone matrix and fibrocartilage.
  • Type II in cartilage matrix.
  • Type III in reticular fibers.
Q:
What os reticular fibers ?
A:
They are fine branching fibers forming a network.
Q:
Reticular fibers is not seen by H&E stain.
A:
True
Q:
What is the special stain for reticular fibers?
A:
With silver stain ,they appear brown to black.
Q:
What is elastic fibers ?
A:
These fibers contain elastic protein to starch and recoil like rubber.
Q:
What is yellow fibers ?
A:
Because fresh elastic fibers appear yellow ,they are called yellow fibers.
Q:
General Features of connective tissues
A:
  • Connective tissue is widely distributed in the body.
  • Rich content of blood vessels.
  • Connective tissue has 2 main elements: 
-Several types of connective tissue cells
-Extracellular matrix ,which includes:
1.CT fiber: which is embedded in variable amount of ground substance.
2.Ground substance: it is a viscous medium through which nutrient diffuse between the blood and the cell.It is formed of a mixture of:
  • interstitial tissue fluid.
  • Proteoglycans:hyaluronic acid and glycosaminoglycans.
  • Adhesive glycoprotein e.g fibronectin.
General Histology

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