Although there are many ingredients used to make glue, most formulas contain something called polymers. A polymer is a large molecule that often is described as being a long molecular strand, much like spaghetti.
The pulmonary artery carries deoxygenated blood from the heart to the lungs. It is one of the only arteries (other than the umbilical arteries in the fetus) that carries deoxygenated blood.
The noun PULMONARY ARTERY has 1 sense: 1. one of two arteries (branches of the pulmonary trunk) that carry venous blood from the heart to the lungs. Familiarity information: PULMONARY ARTERY used as a noun is very rare.Dictionary entry details. â¢ PULMONARY ARTERY (noun).ypernyms (pulmonary artery is a kind of...): arteria; arterial blood vessel; artery (a blood vessel that carries blood from the heart to the body). Hyponyms (each of the following is a kind of pulmonary artery):