Definition of Cyclin
Cyclin: One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent kinases.
The cyclins include cyclin A, cyclin B, cyclin C, cyclin D, cyclin E, cyclin F, cyclin G, cyclin H, cyclin K, and cyclin T.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012