TY - CHAP M1 - Book, Section TI - Absorption, Distribution, and Excretion of Toxicants A1 - Lehman-McKeeman, Lois D. A2 - Klaassen, Curtis D. A2 - Watkins III, John B. PY - 2015 T2 - Casarett & Doull’s Essentials of Toxicology, 3e AB - Absorption is the transfer of a chemical from the site of exposure, usually an external or internal body surface, into the systemic circulation.Toxicants are removed from the systemic circulation by biotransformation, excretion, and storage at various sites in the body.Excretion is the removal of xenobiotics from the blood and their return to the external environment via urine, feces, exhalation, etc. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessbiomedicalscience.mhmedical.com/content.aspx?aid=1113949032 ER -