Question

What level of skin contains the blood vessels and nerves?

Answer 1

Hint:
- The epidermis, or top layer of skin, acts as a waterproof shield and helps to deterrents
- The epidermis, or epithelial layer, and the dermis, or connective tissue layer, make up the skin. The Hypodermis, or subcutaneous tissue, is a connective tissue layer that maintains this two-layer structure.
- Connective tissue, hair follicles, blood channels, lymphatic vessels, and sweat glands are all located under the epidermis.

Complete answer:
The skin is highly vascularized, with plexuses running between the reticular and papillary layers of the dermis supplying blood. The blood supply is supplied by a wide network of larger blood vessels and capillaries that run from regional branches of the systemic circulation to local locations in the subcutaneous tissue and dermis, respectively.

Many of the skin's blood vessels, especially those attached to the venous end of the capillary networks, have an extensive lymphatic system that runs alongside them. Dermatomes are skin areas supplied primarily by a single spinal nerve. The dermatomes are formed by eight cervical nerves, twelve thoracic nerves, five lumbar nerves, and five sacral nerves. Each of these nerves transmits sensation (including pain) to the brain from a specific area of the skin.

Hence, the middle layer of skin, the dermis, contains blood vessels and nerves in the body.

Note: Nerves, blood vessels, lymphatics, and cutaneous appendages are all located in the dermis, which is a sturdy but elastic support structure (pilosebaceous units, eccrine, and apocrine sweat glands). It is thicker (1 to 4 mm on average) than the epidermis, which is as thin as a sheet of paper.