Stratum germinativum
Stratum Germinativum
The Stratum Germinativum (pronunciation: /ˈstraːtʊm ˌdʒɜːrmɪˈneɪtɪvʊm/), also known as the basal layer or basale stratum, is the deepest layer of the epidermis (the outer covering of skin in mammals).
Etymology
The term "Stratum Germinativum" is derived from Latin, where "stratum" means "layer" and "germinativum" signifies "germinating" or "producing". This name is given due to the layer's role in producing new cells.
Function
The Stratum Germinativum is responsible for the generation of new keratinocytes, which are the predominant cell type in the epidermis. These cells are produced through the process of cell division and gradually move up to the surface of the skin as they mature, replacing cells that are shed from the outermost layer.
Related Terms
- Keratinocyte: The primary cell type found in the epidermis, which produces keratin, a protein that provides strength and resilience to the skin.
- Epidermis: The outermost layer of the skin, composed of multiple layers, including the Stratum Germinativum.
- Cell Division: The process by which a parent cell divides into two or more daughter cells.
See Also
External links
- Medical encyclopedia article on Stratum germinativum
- Wikipedia's article - Stratum germinativum
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