an x-ray examination of the amniotic sac after the injection of an opaque solution, performed to permit visualization of the umbilical cord and the placenta.
Origin: 1965–70; amnio- (as comb. form of amnion) + -graphy
am·ni·og·ra·phy (ām'nē-ŏg'rə-fē) n.
pl.am·ni·og·ra·phies Radiographic examination of the uterine cavity and fetus following injection of a radiopaque substance into the amnion.
Main Entry: am·ni·og·ra·phy Pronunciation: "am-nE-'äg-r&-fE Function: noun Inflected Form: plural-phies : radiographic visualization of the outlines of the uterine cavity, placenta, and fetus after injection of a radiopaque substance into the amnion