Question

explain the features of the dermis - include type(s) of tissue its composed of: (p. 190 - 1)
a tattoo is created when ink is injected into the dermis--why will the tattoo be permanent?

Explanation:

The dermis is a relatively stable layer of skin. It contains fibroblasts and immune - related cells. When ink is injected into the dermis, the immune system's macrophages attempt to remove the foreign ink particles but are unable to completely eliminate them. The fibroblasts in the dermis also do not break down the ink, so the tattoo remains permanent.

Answer:

The tattoo is permanent because the ink injected into the dermis cannot be fully removed by the body's normal processes such as immune - cell phagocytosis and tissue - breakdown mechanisms.