What type of tissue is the subcutaneous layer primarily composed of?

The subcutaneous layer, also known as the hypodermis, primarily consists of loose connective tissue, which allows flexibility and provides cushioning against impacts. This type of tissue contains collagen and elastin fibers that contribute to its structure, offering a supportive environment for the skin while enabling mobility. The loose nature of this tissue also facilitates the storage of fat, which serves as an energy reserve and helps to insulate the body.

In addition to loose connective tissue, the subcutaneous layer contains adipose tissue, which is critical for thermal regulation and acts as a shock absorber for the underlying structures. This architectural arrangement is essential for maintaining skin health and overall body functioning, as it influences how the skin responds to external pressures and impacts.