a layer of the epidermis (outermost layer of the skin) composed of keratinocytes that play a role in the skin's barrier function and provide structural support to the skin
the top layer of the skin's second layer (dermis) and contains blood vessels, nerves, and connective tissue, contributing to the skin's structure and sensitivity to touch
the bottom layer of the skin's dermis that gives the skin strength, elasticity, and contains structures like sweat glands, hair follicles, and blood vessels
a type of immune cell found in the skin's epidermis that plays a role in defending against foreign substances and pathogens, helping to regulate the immune response in the skin