What is the dermis primarily composed of?

The dermis is primarily composed of connective tissue, which includes collagen and elastin fibers. This composition is crucial for the dermis's function as it provides strength, elasticity, and support to the skin. Collagen fibers offer tensile strength, which helps the skin resist tearing and damage, while elastin fibers allow the skin to return to its original shape after stretching. This structural support is vital for maintaining the overall integrity of the skin and facilitating its role as a protective barrier.

The other types of tissues listed do not make up the dermis. Epithelial tissue, for example, is found in the epidermis, the outermost layer of skin, where it serves as a protective barrier. Muscle tissue is involved in movement and is not a component of the dermis, while nervous tissue is responsible for sensory perception and communication but does not provide the structural properties that characterize the dermis. Understanding the primary composition of the dermis highlights its essential role in skin health and functionality.