The skin (integument) is divided into two general layers. a third layer called the hypodermis or subcutaneous layer is not considered part of the integument but is often included in the description of the skin.

a. name the two layers of the skin from superficial to deep.

b. in which layer are blood vessels and nerves found?

c. what is the main type of epithelium found in the most superficial layer? what is the function of this layer?

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Biology

15 August, 23:21

The skin (integument) is divided into two general layers. a third layer called the hypodermis or subcutaneous layer is not considered part of the integument but is often included in the description of the skin.

a. name the two layers of the skin from superficial to deep.

b. in which layer are blood vessels and nerves found?

c. what is the main type of epithelium found in the most superficial layer? what is the function of this layer?

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Answers (1)

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Shirley Holder · Answer 1

A. The outermost (superficial) skin layer is the epidermis, and the deep layer is the dermis.

B. The epidermis is avascular, meaning "lacks blood vessels," because none penetrate the bottom basement membrane. The dermis, however, does contain many blood vessels, glands, and small nerve endings

C. The epidermis is a stratified, squamous type of epithelium. This involves multiple layers of compact, flat "squamous" cells, the outermost layers of which are dead flaky cells. They serve as a rough protective barrier against abrasions and the invasion of pathogens. Below the dead cells there is also a waterproofing layer, for the purpose of, well, as its description implies.