Epidermo

Epidermo refers to the outermost layer of skin in animals, including humans. It is a protective barrier that covers the body and is responsible for preventing the entry of pathogens, regulating water loss, and providing sensory input. The epidermo is composed of several layers of cells, with the outermost layer, the stratum corneum, being primarily made up of dead, flattened cells that are continuously shed and replaced.

Beneath the epidermo lies the dermis, a thicker layer of connective tissue that provides structural support and contains blood vessels, nerves, and hair follicles. The epidermo itself lacks blood vessels and receives its nutrients through diffusion from the dermis. Its cells are constantly regenerating from the basal layer, ensuring the integrity of the skin.

The thickness of the epidermo varies across different parts of the body. For instance, it is thicker on the soles of the feet and palms of the hands, areas subjected to more friction and wear. The pigment melanin, which determines skin color and protects against ultraviolet radiation, is also found in the epidermo. This remarkable layer plays a vital role in maintaining homeostasis and protecting the organism from its environment.