Pulmonary artery
A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs. The largest pulmonary artery is the main pulmonary artery or pulmonary trunk from the heart, and the smallest ones are the arterioles, which lead to the capillaries that surround the pulmonary alveoli.
| Pulmonary artery | |
|---|---|
Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Pulmonary artery labelled at upper right.) | |
| Details | |
| Precursor | truncus arteriosus |
| System | Cardiovascular, Respiratory |
| Source | right ventricle |
| Identifiers | |
| Latin | arteria pulmonalis |
| MeSH | D011651 |
| TA98 | A12.2.01.101 A12.2.01.201 |
| TA2 | 4077, 4091 |
| FMA | 66326 |
| Anatomical terminology | |
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