Skin Can Regenerate Effectively Even After Considerable Damage Has Occurred

question 33

Multiple Choice

Skin can regenerate effectively even after considerable damage has occurred because

• A)the epidermis of the skin has a rich supply of small blood vessels.
• B)stem cells persist in both epithelial and connective-tissue components of the skin even after injury.
• C)fibroblasts in the dermis can give rise to new germinal cells in the epidermis.
• D)contraction in the area of the injury brings cells of adjacent strata together.
• E)cells of the stratum basale cannot migrate to other positions in the skin.

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