【医】 primitive canal
former; original
【化】 ortho-
【医】 arch-; arche-; ortho-; pro-; prot-; proto-
canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【医】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel