Gartner's duct, also known as Gartner canal and ductus longitudinalis epoophori, is a potential embryological remnant in human female development of the mesonephric duct in the development of the urinary and reproductive organs. It was discovered and described in 1822 by Hermann Treschow Gartner. Gartner's duct, also known as Gartner canal and ductus longitudinalis epoophori, is a potential embryological remnant in human female development of the mesonephric duct in the development of the urinary and reproductive organs. It was discovered and described in 1822 by Hermann Treschow Gartner.