Hypodermis
Also called a subcutaneous layer, this is a layer of fat located under the dermis of the skin. The hypodermis helps to insulate the body and protects underlying muscles and other structures.
The hypodermis, also known as subcutaneous tissue or subcutis, is the deepest layer of the skin that lies beneath the dermis. It is a layer of adipose (fat) tissue that connects the skin to underlying muscles and bones.
The hypodermis has several functions. It acts as a cushion for the skin against mechanical injury, such as bumps or falls. The layer of adipose tissue also serves as an insulator, helping to regulate body temperature and conserving body heat. Additionally, the hypodermis is involved in storing energy in the form of adipose tissue and secreting hormones such as leptin, which regulates appetite and metabolism.
The hypodermis is composed of a variety of cells, including adipocytes (fat cells), fibroblasts (connective tissue cells), and macrophages (immune cells). The layer varies in thickness depending on the location in the body and the individual’s body composition.
Overall, the hypodermis is an important layer of skin with multiple functions, including cushioning, insulation, and energy storage.
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