Connective Tissue - Weebly
Name: ___________________________
Connective Tissues
- Connective tissue is the most abundant and widely distributed tissue in the body.
- Connective tissue differs from epithelial tissue in that it has much more variety in its cells and it has much more material (intercellular/extracellular matrix and fibers) between its cells.
- The type of matrix a connective tissue has will determine the characteristics of that tissue.
Example:
|TISSUE |TYPE OF MATRIX |
|Cartilage |Gristlelike/Rubbery Gel |
|Bones |Hard Calcified/Cement-like |
- 1. Areolar : Cells embedded in a loose matrix with a network of fibers to act as a “GLUE”. Functions to connect other tissues and organs.
[pic]
- 2. Adipose : Cells (adipocytes) with very large compartments to store fat. Functions to provide padding and insulations as well as for energy storage.
[pic]
3. Dense Fibrous : Cells that produce parallel bundles of strong white collagen (type of protein) fibers. Functions to provide a strong flexible connective tissue that will not stretch.
Example : Tendons to attach muscle to bone.
- Tendon Photomicrograph
[pic]
- 4. Bone : Cells (osteocytes) embedded in a calcified matrix, the matrix consist of circular building blocks called osteons. Functions to provide structural support and protection.
[pic][pic]
- 5. Cartilage : Cells (chondrocytes) forms hard but flexible matrix. Functions to provide strong but flexible structural support.
[pic]
- 6. Blood : Red (erythrocytes) and white (leukocytes) surrounded by a liquid matrix (plasma). Functions in the transport of molecules to and away from other tissues.
[pic]
- 7. Hemopoietic : Blood-cell and lymphatic-cell producing cells densely arranged in a liquid matrix. Found in red marrow cavities, and organs such as spleen, tonsils and lymph nodes. Functions in the production of the cells.
[pic]
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