permease

permease [pur-mee-eys, -eyz] Word Origin noun Biochemistry.

1. any of the proteins that mediate the transport of various molecules across biological membranes.

Origin of permease French perméase (1956), equivalent to permé(able) permeable + -ase -ase permease in Medicine permease [pûr′mē-ās′] n.

1. An enzyme that promotes the passage of a substance across a cell membrane.