Areolar tissue
Areolar Tissue
Areolar tissue (/əˈriːələr/), also known as loose connective tissue, is a common type of connective tissue found throughout the body. It is named for its net-like appearance, with the term "areolar" derived from the Latin "areola", meaning "a small open space".
Structure
Areolar tissue is composed of a variety of cell types, including fibroblasts, macrophages, and mast cells. These cells are embedded in a matrix of collagen and elastin fibers, which provide the tissue with its characteristic flexibility and resilience. The tissue also contains numerous blood vessels, which supply it with nutrients and remove waste products.
Function
The primary function of areolar tissue is to provide support and cushioning to the body's organs and tissues. It also plays a crucial role in the body's immune response, with its macrophages and mast cells helping to defend against infection and disease.
Clinical Significance
Due to its widespread distribution in the body, areolar tissue is involved in a number of medical conditions. For example, inflammation of the areolar tissue, known as cellulitis, can occur as a result of bacterial infection. Additionally, changes in the composition or structure of the areolar tissue can contribute to diseases such as scleroderma and Marfan syndrome.
Related Terms
- Connective tissue
- Fibroblasts
- Macrophages
- Mast cells
- Collagen
- Elastin
- Cellulitis
- Scleroderma
- Marfan syndrome
External links
- Medical encyclopedia article on Areolar tissue
- Wikipedia's article - Areolar tissue
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