Hypodermis

Definition

The hypodermis, also known as the subcutaneous layer, is the deepest layer of skin that lies below the dermis. It primarily consists of fat and connective tissues that provide insulation and cushioning for the body.

5 Must Know Facts For Your Next Test

1. The hypodermis is made up of adipose tissue which helps store energy and insulate the body.
2. It plays a critical role in attaching the skin to underlying muscles and bones.
3. The hypodermis contains larger blood vessels and nerves than those found in the dermis.
4. It assists in thermoregulation by insulating the body against cold temperatures.
5. This layer is involved in absorbing shock from impacts, protecting internal organs.

Review Questions

• What types of tissues predominantly make up the hypodermis?
• How does the hypodermis contribute to body temperature regulation?
• Why is the hypodermis important for protection against physical trauma?

Related terms

Epidermis: The outermost layer of skin that provides a barrier to infection.

Dermis: The middle layer of skin containing collagen, elastin fibers, blood vessels, and nerve endings.

Adipose Tissue: A type of connective tissue composed mainly of fat cells, found abundantly in the hypodermis.