angi-, angio-, angei-, -angium +
(Greek > Latin: [receptacle], vessel, often a blood vessel; "covered by a seed or vessel", a seed vessel; a learned borrowing from Greek meaning "vessel", "container")
2. Angiography of the heart and great vessels; contrast material may be injected into a blood vessel or one of the cardiac chambers.
Images obtained can be analyzed to determine parameters of ventricular function, including ventricular ejection fractions, cardiac output, ejection rates, stroke volume, end-diastolic volume, and end-systolic volume, as well as to test the effects of exercise.
2. Any agent that affects the movements of the heart and vessels.
2. Having the seeds or spores covered, as in certain lichens.
A vascular tumor preponderantly composed of large dilated blood vessels, often containing large amounts of blood, occurring in the skin, subcutaneously, or both, and also in many viscera, particularly the liver, spleen, pancreas, and sometimes the brain.
Most are present in early life but they are usually not present at birth. The typical superficial lesions are bright to dark red in color; deep lesions have a blue color.