húðþekjuna
Húðþekjan is the outermost layer of the skin in mammals, including humans. It is a stratified squamous epithelium that serves as a protective barrier against the environment. This multi-layered structure is constantly regenerating, with new cells being produced in the deeper layers and migrating outwards to replace older, shed cells.
The primary function of the húðþekjan is to prevent water loss, protect against mechanical injury, and defend
The húðþekjan is avascular, meaning it does not contain blood vessels. It receives nutrients and oxygen through