through . ( Of the lat. )( conductus , driven). 1. m. channel, commonly covered, which serves to give step and way out of the water and other things. 2. m. Each of the tubes or channels which, in large numbers, are bodies organized to life and serve to physiological functions. 3. m. conduct of air or gases built with sheet metal or other material. 4. m. mediation or intervention of a person for the solution of a business, obtaining news, etc. 5. medium m. or via that follows in any business. through ductus arteriosus. 1. m. Anat. Artery in fetus joins the aorta pulmonary artery, and usually disappears after the birth. through external ear. 1. m. Anat. That is part of the mammalian hearing organ, tube extends from the base of the ear to ear half. through synthesized. 1. m. Anat. The that output products of the gall bladder as that, to join the hepatic duct , common bile duct. through deferent. 1. m. Anat. duct excretory and ejaculatory in each of the testicles. through liver. 1. m. Anat. excretory duct of the bile that, since the end of the thicker bile canals coming out of the liver, is going to join the synthesized through . through groin. 1. m. Anat. Formed by muscle and aponeurosis of the abdomen to the spermatic cord. through spinal. 1. m. Anat. Which contains the spinal cord, formed by the successive vertebral holes. por through de. 1. loc. prepos. by means of.