The skin’s anatomy is composed of three layers: the epidermis, the dermis, and subcutaneous tissue. These layers are home to sweat glands, oil glands, hair follicles, blood vessels, and certain ...

and dermis (middle layer). Together, these layers provide a barrier against fluids, infection, and trauma. This article discusses the hypodermis layer of the skin. It explains the anatomy and ...

Other signs include elastosis (a coarse, yellow, cobblestoned effect of the skin) and actinic purpura (easy bruising related to vascular wall fragility in the dermis) (Gilchrest, 1990).