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 poisoning: Introduction. Lead poisoning: There is a lot of discussion about lead levels in the blood and the possible damage to the nervous system including the brain, kidneys and red blood cells. ... more about Lead poisoning. Lead poisoning: A type of heavy metal poisoning caused by excessive exposure to lead.