Subcutaneous tissue
Subcutaneous Tissue
Subcutaneous tissue (pronunciation: /ˌsʌbkjuːˈteɪniəs ˈtɪʃuː/), also known as the hypodermis or superficial fascia, is the lowermost layer of the integumentary system in vertebrates. The types of cells found in the hypodermis are fibroblasts, adipose cells, and macrophages.
Etymology
The term "subcutaneous" is derived from Latin, with 'sub' meaning "under" and 'cutis' meaning "skin". The term "hypodermis" is derived from Greek, with 'hypo' meaning "under" and 'dermis' meaning "skin".
Function
The subcutaneous tissue has a variety of functions. It serves as a storage repository for fat and contains a network of blood vessels and nerves that supply the skin and underlying muscles. The subcutaneous tissue helps to regulate temperature of the body and provides a protective padding.
Related Terms
- Dermis: The layer of skin directly above the subcutaneous tissue.
- Epidermis: The outermost layer of the skin.
- Adipose tissue: A type of connective tissue that stores fat.
- Fibroblasts: Cells that produce collagen and other fibers.
- Macrophages: A type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.
See Also
External links
- Medical encyclopedia article on Subcutaneous tissue
- Wikipedia's article - Subcutaneous tissue
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