What are the primary layers of skin involved in wound healing?

The primary layers of skin involved in wound healing include the dermis, epidermis, and subcutaneous tissue. The epidermis is the outermost layer of skin, which plays a crucial role in protecting underlying structures and initiating the healing process after an injury. The dermis, located beneath the epidermis, contains blood vessels, nerves, and connective tissue, which are essential for delivering nutrients and promoting restoration of skin integrity.

Subcutaneous tissue, also referred to as the hypodermis, plays a supporting role by anchoring the skin to underlying structures and providing insulation. In the context of wound healing, all three layers are crucial; the epidermis needs to regenerate to restore the skin barrier, the dermis must repair to regain strength and flexibility, and the subcutaneous tissue helps to support and stabilize the repaired layers.

While other combinations of layers in the options provided might include some components involved in wound healing, they do not encompass the primary layers as effectively as this choice does. The selected layers represent a comprehensive overview of skin structure and function in the healing process.