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.
Making the world better, one answer at a time. Arteries are the blood vessels that take blood away from the heart. Blood in the arteries are brown as they go away from the heart and blood travelling to the heart in veins are coloured red as it has just been replenished when passing the lungs.aking the world better, one answer at a time. Arteries are the blood vessels that take blood away from the heart. Blood in the arteries are brown as they go away from the heart and blood travelling to the heart in veins are coloured red as it has just been replenished when passing the lungs.