− | Drugs, that are toxic to or excreted by the kidney, should be administered in the cranial half of the body to avoid the [[Lizard Cardiovascular System|renal portal system]]. | + | Drugs, that are toxic to or [[Lizard and Snake Excretion|excreted]] by the kidney, should be administered in the cranial half of the body to avoid the [[Lizard Cardiovascular System|renal portal system]]. |