Which layer of the skin has no blood vessels or connective tissue?

Study for the Integrated Billing and Coding Test. Use flashcards and multiple choice questions. Each question includes hints and explanations. Get ready for your exam!

Multiple Choice

Which layer of the skin has no blood vessels or connective tissue?

Explanation:
The epidermis is avascular and lacks connective tissue. It sits on the living dermis, which supplies nutrients and oxygen via blood vessels that diffusion brings up into the epidermal layers. The epidermis is made of keratinocytes in several strata and does not contain blood vessels or connective tissue, whereas the dermis is rich in connective tissue and blood vessels, and the hypodermis beneath contains adipose tissue with larger vessels. So the layer with no blood vessels or connective tissue is the epidermis.

The epidermis is avascular and lacks connective tissue. It sits on the living dermis, which supplies nutrients and oxygen via blood vessels that diffusion brings up into the epidermal layers. The epidermis is made of keratinocytes in several strata and does not contain blood vessels or connective tissue, whereas the dermis is rich in connective tissue and blood vessels, and the hypodermis beneath contains adipose tissue with larger vessels. So the layer with no blood vessels or connective tissue is the epidermis.

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