The subcutaneous layer, or hypodermis, is the deepest layer of skin tissue. It consists mostly of fat and keeps the body warm.

A subcutaneous injection is an injection into the fatty tissue. There are many types, and people use them to treat diabetes and other conditions. Learn more about subcutaneous injections ...

Changes in subcutaneous adipose tissue (AT) structure and metabolism have been shown to correlate with the development of obesity and related metabolic disorders. Measurements of AT physiology ...