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.
For centuries, lead toxicity has been one of the most significant preventable causes of neurologic morbidity from an environmental toxin. A heavy metal, lead is ubiquitous in our environment but has no physiologic role in biological systems.
Additional Resources. Lead poisoning is a medical condition caused by increased levels of the heavy metal lead in the body. Lead interferes with a variety of biologic processes and is toxic to many organs and tissues, including the heart, bones, intestines, kidneys and reproductive and nervous systems.