Your subcutaneous tissue is the deepest layer of your skin. The prefix “sub” comes from the Latin word meaning under, and the word cutaneous derives from the Latin word “cutis,” which means skin.

Medically reviewed by Anju Goel, MD Key Takeaways The hypodermis is the innermost layer of the skin that stores fat and energy, pads and protects the body, and attaches skin to the bones and ...