Anatomy

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Author:
alannaheeres
ID:
102963
Filename:
Anatomy
Updated:
2011-09-20 00:21:55
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Tissue Lev2
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Tissue Lev2
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  1. Most abundant and most widely distributed tissue in the body
    Connective Tissue
  2. What are the 4 main classes of connective tissue?
    • 1. Connective tissue proper
    • 2. Cartilage
    • 3. Bone
    • 4. Blood
  3. What are the 4 main functions of connective tissue?
    • 1. Binds together, supports and strengthens other tissues
    • 2. Protects and insulates internal organs
    • 3. Blood transports nutrients and wastes, immune function
    • 4. Fat stores energy
  4. Why do cells rarely touch in connetive tissue?
    Due to extracellular matrix
  5. Fibers and ground substance secreted by cells
    Matrix
  6. 3 consistencies of connective tissue
    • 1. liquid
    • 2. gel
    • 3. solid
  7. True or false: Connective tissue occurs on free surface
    False: Does not occur on free surface
  8. Does connective tissue have a good nerve & blood supply?
    Yes, except cartilage and tendons
  9. Cell type:
    Retain ability to divide & produce matrix (fibroblasts) (dividing cells in bone are called osteogeniccells)
    Blast type cell
  10. Cell type:
    Mature cell that can not divide or produce matrix (fibrocytes, chondrocytes & osteocytes)
    Cyte type cells
  11. Cell type:
    Develop from monocytes– engulf bacteria & debris by phagocytosis
    Macrophages
  12. Cell type:
    Develop from B lymphocytes
    – produce antibodies that fight against foreign substances
    Plasma cells
  13. Cell type:
    Produce histamine that dilate small blood vessels
    Mast cells
  14. Cell type:
    Fat cells
    store fat
    Adipocytes
  15. What does the connective tissue extracellular matrix consist of?
    • 1. Ground substance and
    • 2. Fibers
  16. What:
    Supports the cells and fibers
    Helps determine the consistency of the matrix
    – fluid, gel or solid
    Contains many large molecules
    – adhesion proteins and carbohydrates binds collagen fibers to ground substance
    Ground Substance
  17. Types of Connective Tissue Fibers?
    Tough, resistant to pull, yet pliable
    Formed from the protein collagen
    Collagen (most abundant)
  18. Type of Connective Tissue Fiber:
    Smaller diameter fibers formed from protein elastin
    Can stretch and return to original shape
    Elastin (lungs, blood vessels, ear cartilage)
  19. Type of Connective Tissue Fiber:
    Thin, branched fibers that form framework of organs
    Formed from protein collagen
    Reticular (spleen and lymph nodes)
  20. What are the two classifications of connective tissue?
    • Embryonic connective tissue
    • Mature connective tissue
  21. Loose connective tissue
    Dense connective tissue
    Specialized connective tissue:Cartilageand Bone
    Blood
    Lymph
    Mature Connective Tissue
  22. Loosely woven fibers throughout tissues
    Types of loose connective tissue
    -areolar connective tissue
    – adipose tissue
    – reticular tissue
    Loose Connective Tissues
  23. What type of tissue has more fibers present but fewer cells
    Dense connective tissue
  24. What are the 3 types of dense connective tissue?
    • 1. Dense regular connective tissue
    • 2. Dense irregular connective tissue
    • 3. Elastic connective tissue

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