Which of the following layers of the epidermis is responsible for generating new epidermal cells?

Many antiaging skin creams contain collagen and hyaluronic acid. Manufacturers claim that the collagen and hyaluronic acid applied to the surface of the skin will be absorbed into the dermis, where they will be incorporated into dermal tissue.

b. Are these substances polar or nonpolar?

Many antiaging skin creams contain collagen and hyaluronic acid. Manufacturers claim that the collagen and hyaluronic acid applied to the surface of the skin will be absorbed into the dermis, where they will be incorporated into dermal tissue.

d. Predict the effectiveness of the creams.

Many antiaging skin creams contain collagen and hyaluronic acid. Manufacturers claim that the collagen and hyaluronic acid applied to the surface of the skin will be absorbed into the dermis, where they will be incorporated into dermal tissue.

d. Predict the effectiveness of the creams.

Which of the epidermal layers is likely to have the greatest regenerative capacity (ability to divide)?

Which of the following is true about thick skin?

Which epidermal layers contain dead, flattened keratinocytes?

Why do the cells in the more superficial layers of the epidermis die?

The disease pemphigus vulgaris involves a patient's own immune system attacking the desmosomes between the epithelial cells of the skin. What changes would you expect to see with this disease?