Yes, it is.
Yes
Radiopaque refers to the characteristic that the dye does not allow for the passage of x-rays. A radiopaque dye would allow for structures that are not usually visible to be shown white against the black background of a developed radiograph (x-ray film).
radiopaque
White
radiopaque
Radiopaque
Angiocardiography
An arteriogram is an X-ray of an artery after injection with a radiopaque material.
Angiocardiography
Bronchogram = a radiograph of the bronchial tree after injection of a radiopaque substance .
It is angiogram.