Term: phosphatidylinositol-3 kinase

Pronunciation: (FOS-fuh-TY-duh-lih-NOH-sih-TOL-3 KY-nays)

Description:

A type of enzyme that transmits signals in cells and that helps control cell growth. Some tumors have higher-than-normal levels of phosphatidylinositol-3 kinase. Also called PI3 kinase and PI3K.