How are basal cells melanocytes keratinocytes melanin and ke

Solution

The basal cells consist of the melanocytes that are responsible for the formation of the skin pigment melanin. The melanocytes give the skin brown or tan color and prevent from the harmful effects of the sun. The keratinocytes are present in the squamous layer of the epidermis present above the basal layer. The keratinocytes produce keratin a protective tough protein that makes up the structure of skin, hair, and nails.

The keratinocytes withdraw from the cell cycle as it passes through the various layers of the epidermis and becomes corneocytes in the stratum corneum. The corneocytes get shed off as the new cells come in.

The fibroblasts cell of the dermis is responsible for the production of the collagen and elastin fibers in the dermis.

No the fibroblasts cells do not divide frequently and fall off like the keratinocytes.

The tattoo dye is applied externally as the henna is applied externally. In the case of a permanent tattoo, the ink is inserted internally beneath the layers of skin.