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When the right ventricular muscles relax, blood starts back up the pulmonary trunk, causing the valve to close to prevent the flow from returning into the ventricular chamber. The pulmonary vein travels parallel to the pulmonary artery as it carries the blood back up to the heart.
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www.innerbody.com/tutorial2/t12.html
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Pulmonary hypertension - Wikipedia, the free encyclopedia
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In medicine, pulmonary hypertension (PH or PHT) is an increase in blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries, together known as the lung vasculature, leading to...
en.wikipedia.org/wiki/Pulmonary_hypertension
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Online Medical Dictionary and glossary with medical definitions ... Pulmonary artery: One of the two vessels which are formed as terminal branches of the pulmonary trunk and convey unaerated blood to the lungs. The two pulmonary arteries differ in length and anatomy.
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www.medterms.com/script/main/art.asp?articlekey=24368
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･ Arteries are vessels that carry blood away from the heart. The main pulmonary artery extends from the ... ･ Carries de-oxygenated blood from the right ventricle to the lungs.
http://biology.about.com/library/organs/heart/blpulmart...
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Symptoms of Idiopathic dilatation of the pulmonary artery including 1 medical symptoms and signs of Idiopathic dilatation of the pulmonary artery, alternative diagnoses, misdiagnosis, and correct diagnosis for Idiopathic dilatation of the pulmonary artery signs or Idiopathic dilatation of the pulmonary artery symptoms.
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www.wrongdiagnosis.com/i/idiopathic_dilatation_of_the_p...
www.wrongdiagnosis.com/i/idiopathic_dilatation_of_the_pulmonary_artery/symptoms.htm
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Pulmonary artery, isolated unilateral absence of (Isolated UAPA) glossary including various medical information. ... Introduction: Pulmonary artery, isolated unilateral absence of (Isolated UAPA)
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www.wrongdiagnosis.com/p/pulmonary_artery_isolated_unil...
www.wrongdiagnosis.com/p/pulmonary_artery_isolated_unilateral_absence_of_isolated_uapa/glossary.htm
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Pulmonary artery stenosis is a narrowing (stenosis) that occurs in the pulmonary artery, a large artery that sends oxygen-poor blood into the lungs to be enriched with oxygen. The narrowing may occur in the main pulmonary artery and/or in the left or right pulmonary artery branches.
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my.clevelandclinic.org/disorders/pulmonary_artery_steno...
my.clevelandclinic.org/disorders/pulmonary_artery_stenosis/hic_pulmonary_artery_stenosis.aspx
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Normal pulmonary artery systolic pressure at rest is 18 to 25 mm Hg, with a mean pulmonary pressure ranging from 12 to 16 mm Hg. This low pressure is due to the large cross-sectional area of the pulmonary circulation, which results in low resistance.
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www.aafp.org/afp/20010501/1789.html
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