From retro- + ductal. <span class="searchmatch">retroductal</span> (not comparable) (anatomy) Behind a duct...
intraductal multiductal panantigen paraductal periductal postductal preductal <span class="searchmatch">retroductal</span> transductal Relating to a duct ductal m or f (plural ductais) (anatomy)...
retrodisplace retrodisplacement retrodocumentation retrodorsal retrodorsally <span class="searchmatch">retroductal</span> retroduodenal retroduplicate retroduplication retroelement retroendocytosis...