Medical Definition of Polypeptide

Polypeptide: A peptide consisting of 2 or more amino acids. Amino acids make up polypeptides which, in turn, make up proteins.

Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.


Last Editorial Review: 6/9/2016

Health Solutions From Our Sponsors