The process of making an x-ray record of blood vessels is:

A) lymphangiogram.
B) angiocardiogram.
C) aortogram.
D) angiography.

Angiography

A medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers.

Aortogram

A radiographic image or angiogram of the aorta obtained after the injection of a contrast medium to visualize the aortic arch and its branching vessels.

Lymphangiogram

A diagnostic imaging test that uses a special dye to visualize the lymphatic system, including lymph nodes and vessels.