Tattoo marks if destroyed their presence can be inferred from the presence of pigment in:

Ans. (C). Regional Lymph nodesThe regional lymph nodes show a deposition of pigment used in the tattoo.If the pigment is deposited below the epidermis, it will slowly become fainter and the pigments disappear in about 10 yearsSuch a faded tattoo may become visible by the use of UV lamp or Infrared photography.