Pulmonary artery: One of the two vessels which are formed as terminal branches of the pulmonary trunk and convey un-aerated blood to the lungs.The two pulmonary arteries differ in length and anatomy. The right pulmonary artery is the longer of the two.It passes transversely across the midline in the upper chest and passes below the aortic arch to enter the hilum of the right lung as part of its root.The left pulmonary artery is the shorter of the two terminal branches of the pulmonary trunk.ulmonary artery: One of the two vessels which are formed as terminal branches of the pulmonary trunk and convey un-aerated blood to the lungs.
| March 10, 2017 @ 5:09 PM. Getty Images. Patton Oswalt says the death of his wife, Michelle McNamara, last year was a bit like a science fiction movie. In an interview with NPR published Friday, Oswalt said that McNamaraâs death has helped him more fully understand what other people go through in the grieving process.
Personal Life. Patton is the son of Carla and Larry J. Oswalt, the latter of the two being a United States Marine Corps officer. He also has a younger brother named Matt Oswalt, who is well-known for the YouTube series Puddin' .On September 24th, 2005, Patton married actress Michelle Eileen McNamara and later had a daughter, Alice Rigney Oswalt, born on April 15th, 2009, just shy of 4 years later.e also has a younger brother named Matt Oswalt, who is well-known for the YouTube series Puddin' . On September 24th, 2005, Patton married actress Michelle Eileen McNamara and later had a daughter, Alice Rigney Oswalt, born on April 15th, 2009, just shy of 4 years later.