cotransporter

noun

co·​trans·​port·​er (ˌ)kō-tran(t)s-ˈpȯr-tər 

-ˈtran(t)s-ˌpȯr-tər

plural cotransporters

: a specialized protein of cell membranes that mediates cotransport

Phosphate travels against an electrochemical gradient from the urine into the proximal tubular epithelial cells, primarily through the activity of a sodium-phosphate cotransporter …

—Henry M. Kronenberg

Word History

First Known Use

1980, in the meaning defined above