Final answer:
The dermal layer is referred to as the true skin because it is the thicker inner layer of the skin that contains important structures and functions.
Step-by-step explanation:
The dermal layer is sometimes referred to as the true skin because it is the thicker inner layer of skin that contains important structures such as blood vessels, hair follicles, sweat glands, and oil glands.
It is responsible for providing strength, elasticity, and support to the skin, as well as housing sensory receptors that give us our sense of touch, pressure, heat, and pain.