Medical Definition of PleiotropicPleiotropic: Producing or having multiple effects from a single gene. For example, the Marfan gene is pleiotropic, potentially causing such diverse effects as long fingers and toes (arachnodactyly), dislocation of the lens of the eye, and dissecting aneurysm of the aorta. Last Editorial Review: 5/13/2016
Back to MedTerms online medical dictionary A-Z List Need help identifying pills and medications? |


