In other words, you do not need to be blatantly anemic to know you have a problem. If you see your red blood cells or hemoglobin trending down and you have fatigue and other symptoms of poor thyroid function, then you can know that your thyroid is in a state of stress regardless of any thyroid lab test.
The pulmonary trunk is a blood vessel which divides to form the right and left pulmonary arteries.At the base of this trunk is a pulmonary semilunar valve that is made up of three leaflets or cusps.he pulmonary trunk is a blood vessel which divides to form the right and left pulmonary arteries.
Embryologically, the pulmonary arteries originate from the truncus arteriosus (as does the aorta), and in the developed heart, the pulmonary trunk (pulmonary artery or main pulmonary artery) begins at the base of the right ventricle.unction. While veins usually carry deoxygenated blood from tissues back to the heart, in this case, pulmonary veins are among the few veins that carry oxygenated blood instead. Oxygenated blood from the lungs is circulated back to the heart through the pulmonary veins that drain into the left atrium.