With dilated cardiomyopathy (DCM) the heart muscle becomes thinner than normal, is weakened, and results in poor pumping ability, valve leakage and arrhythmia. This loss of the heartâs ability to properly contract is a common acquired disease of the heart in dogs.
Collateral Vessel Closure. Collateral vessels are abnormal blood vessels that connect the aorta with the pulmonary arteries. The aorta is a blood vessel that carries blood from the heart to arteries throughout the body. Pulmonary arteries are the vessels that transfer blood from the heart back to the lungs for oxygen.
Arteries. All blood vessels leading from the heart are called arteries or the blood vessels which carry blood from the heart to various body organs are called arteries. All arteries carry oxygenated blood (pure blood) except pulmonary artery, which carries deoxygenated blood.n closed circulatory system blood is circulated through closed vessels such as arteries, veins and capillaries. 1. Vessels which carry blood from the heart to various body parts. 2. Arteries carry oxygenated blood from the heart except pulmonary artery.