The primary type of cells found in the epidermis are called?

The primary type of cells found in the epidermis are keratinocytes. These cells make up the majority of the epidermal layer and are essential for the skin’s protective barrier. Keratinocytes are responsible for producing keratin, a fibrous protein that enhances the skin's strength and resilience. As they move from the lower layers of the epidermis to the surface, they undergo a process called keratinization, where they lose their nuclei and cytoplasmic organelles, ultimately forming a tough, protective layer composed of dead cells. This layer plays a critical role in preventing moisture loss and offering protection against environmental factors such as pathogens and UV radiation.

While melanocytes, fibroblasts, and lymphocytes are important for various functions within the skin and the body, they do not make up the primary cellular composition of the epidermis like keratinocytes do. Melanocytes are involved in pigment production, fibroblasts are primarily found in the dermis and are crucial for collagen production, and lymphocytes play a role in the immune response.