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 is a metal found in the earth, and it is a poison. For years, lead was used in paint, gasoline, plumbing and many other items. Lead can still be found in some products sold today. As these things are used or get worn out, the lead they contain can spread.Lead paint was banned from home use in 1978. If you live in a home built before 1978, or near a busy road, there could be lead in your house dust and soil.ften, lead poisoning is caused by lead you can't even see. Dust from lead paint is still the number one source of childhood lead poisoning. Lead poisoning can cause problems with a child's growth, behavior, and ability to learn. Lead can also harm babies before they're born.