gentamicin: an antibiotic (trade name Garamycin) that is derived from an actinomycete; used in treating infections of the urinary tract
antibiotic: a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections
moehringia: low-growing herbs widely distributed in temperate and Arctic northern hemisphere: sandworts; distinguished from members of the genus Arenaria mainly by having four-petaled rather than five-petaled flowers