Definition of Ligand

Ligand: A molecule that binds to another. Often, a soluble molecule such as a hormone or neurotransmitter that binds to a receptor.


Last Editorial Review: 3/19/2012

Search MedTerms:


Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.