Answers. Relevance. Rating Newest Oldest. Best Answer: a Spanish term that was formerly used in the Spanish Empire to designate people of mixed European (Spaniard) and Amerindian ancestry living in the region of Latin America.[1] The word originated from the Romance language / Latin word Mixticius, meaning mixed.
The major mechanism of lead toxicity is due to increased generation of reactive oxygen species (ROS) and interference with generation of antioxidants. Lead causes the generation of ROS like hydroperoxide, hydrogen peroxide, and singlet oxygen. ROS are stabilized by glutathione in the body.
LEAD EXPOSURE BLOOD TEST. Lead is a toxic metal that is naturally occurring in the earthâs crust. Lead and lead compounds have been used in manufacturing compounds such as paint, fuel, batteries and cosmetics. Some of the most common sources of lead exposure in the United States come from Lead-based paints found in older homes, drinking water and pottery or crystals used for eating. Occupational exposure to lead in the workplace can also occur.