<biochemistry> A class of transmembrane transport proteins that conveys a single species across the plasma membrane. ... (18 Nov 1997) ... 
A class of transmembrane transport proteins that conveys a single species across the plasma membrane.
Type: Term Pronunciation: yū′ni-pōrt Definitions: 1. Transport of a molecule or ion through a membrane by a carrier mechanism (uniporter), without known coupling to any other molecule or ion transport.