A skin cell is a specialized cell that forms the outer layer of the body, known as the skin. Skin cells play a crucial role in protecting the body from external factors such as bacteria, viruses, and UV radiation. They also help regulate body temperature, maintain hydration, and contribute to our sense of touch.
The most common type of skin cell is a keratinocyte. These cells produce a tough protein called keratin, which forms the outer layer of the skin and provides its protective barrier. Other important skin cell types include:
- Melanocytes: These cells produce melanin, the pigment that gives skin its color and protects it from UV damage.
- Langerhans cells: These immune cells help the body fight off infections.
- Merkel cells: These cells are located at the base of the epidermis and are involved in touch sensation.
The skin is a complex organ with multiple layers, and each layer contains different types of cells that work together to maintain its functions.
