CONNECTIVE TISSUE UNIT 4 Flashcards
Connective tissue is
The most abundant and widely distributed tissues.
Functions of connective tissue
- Binds body tissues together
- Supports the body
- Provides protection
- Insulation
- Transportation
Connective tissue characteristics
- Can obtain a variety of cells
- Variations in blood supply
- Contain an extracellular matrix
What cells are found in connective tissue?
Fibroblasts, white blood cells, red blood cells, bone cells, cartilage
What tissues are avascular?
Cartilage, tendons & ligaments
2 principal components of connective tissue are
Cells & Extracellular matrix
What is extracellular matrix?
Non-living material that surround the living cells
2 main elements of the extracellular matrix are
Ground substance & fibers
Ground Substance is
Surrounds the cells and fibers. It’s a clear, colorless viscious fluid that fills the space between the cells and fibers
Fibers are
Produced by the cells
3 types of fibers
- Collagen
- Elastic fibers
- Reticular fibers
What is bone tissue?
Supporting connective tissue
Bones tissue is composed of..
- Osteocytes found in the lacunae
- Hard matrix of calcium salts
- Large numbers of collagen fibers
Bone tissue functions…
Protect and support the body
Bone tissue fact
Hardest tissue
Vascularity level of bone tissue
Rich in blood supply
What is cartilage?
Supporting connective tissue
3 Types of cartilage
Hyaline, Elastc and Fibrocartilage
Hyaline Cartilage is..
The most abundant cartilage
Where is hyaline cartilage found?
Ribs, surfaces of bones, nose, larynx and trachea