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ALL / Clinical Sciences
Epidermis
Epidermis
The epidermis is the outermost layer of the skin and is composed of a stratified squamous epithelium with an underlying basal laminaIt may be divided in to five layers:
| Layer | Description |
|---|---|
| Stratum corneum | Flat, dead, scale-like cells filled with keratin Continually shed |
| Stratum lucidum | Clear layer - present in thick skin only |
| Stratum granulosum | Cells form links with neighbours |
| Stratum spinosum | Squamous cells begin keratin synthesis Thickest layer of epidermis |
| Stratum germinativum | The basement membrane - single layer of columnar epithelial cells Gives rise to keratinocytes Contains melanocytes |
+PassMedicine Notes
The epidermis is the outermost layer of the skin and is composed of a stratified squamous epithelium with an underlying basal lamina
It may be divided in to five layers:
Layer _ Description| Stratum corneum _ Flat, dead, scale-like cells filled with keratin Continually shed| Stratum lucidum _ Clear layer - present in thick skin only | Stratum granulosum _ Cells form links with neighbours | Stratum spinosum _ Squamous cells begin keratin synthesis Thickest layer of epidermis | Stratum germinativum _ The basement membrane - single layer of columnar epithelial cells Gives rise to keratinocytes Contains melanocytes |