All Topics  
Pulmonary artery

 

 
   Email Print
   Bookmark   Link
 

 

Pulmonary artery
 
 
  Topics Pulmonary artery Topic Home

The pulmonary arteries carry blood
Blood

Blood is a specialized bodily fluid that delivers necessary substances to the body's Cell s ? such as nutrients and oxygen ? and transports waste products away from those same cells....
 from heart
Heart

The heart is a muscle organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods....
 to the lungs. They are the only arteries
Artery

Arteries are blood vessels that carry blood away from the heart. All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood....
 (other than umbilical arteries
Umbilical artery

The umbilical artery is a paired artery that is found in the abdominal and pelvic regions. In the fetus, it extends into the umbilical cord....
 in the fetus) that carry deoxygenated blood.

In the human heart
Heart

The heart is a muscle organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods....
, the pulmonary trunk (pulmonary artery or main pulmonary artery) begins at the base of the right ventricle
Right ventricle

The right ventricle is one of four heart chamber in the human heart. It receives deoxygenated blood from the right atrium via the tricuspid valve, and pumps it into the pulmonary artery via the pulmonary valve and pulmonary trunk....
. It is short and wide - approximately 5 cm (2 inches) in length and 3 cm (1.2 inches) in diameter. It then branches into two pulmonary arteries (left and right), which deliver deoxygenated blood to the corresponding lung
Lung

The lung is the essential respiration organ in air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and the more complex life forms, the two lungs are located in the chest on either side of the heart....
.

lass="link1" onMouseover='showByLink("m1888915",this)' onMouseout='hide("m1888915")'href="http://www.absoluteastronomy.com/topics/Pulmonary_hypertension">Pulmonary hypertension
Pulmonary hypertension

In medicine, pulmonary hypertension is an increase in blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries, together known as the lung Pulmonary circulation, leading to dypsnea, dizziness, fainting, and other symptoms, all of which are exacerbated by exertion....
 occurs alone and as a consequence of a number of lung diseases
Pulmonology

File:Lungs_open.jpgIn medicine, pulmonology is the specialty that deals with diseases of the lungs and the respiratory tract. It is called chest medicine and respiratory medicine in some countries and areas....
.






Discussion
Ask a question about 'Pulmonary artery'
Start a new discussion about 'Pulmonary artery'
Answer questions from other users
Full Discussion Forum



Encyclopedia


The pulmonary arteries carry blood
Blood

Blood is a specialized bodily fluid that delivers necessary substances to the body's Cell s ? such as nutrients and oxygen ? and transports waste products away from those same cells....
 from heart
Heart

The heart is a muscle organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods....
 to the lungs. They are the only arteries
Artery

Arteries are blood vessels that carry blood away from the heart. All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood....
 (other than umbilical arteries
Umbilical artery

The umbilical artery is a paired artery that is found in the abdominal and pelvic regions. In the fetus, it extends into the umbilical cord....
 in the fetus) that carry deoxygenated blood.

In the human heart
Heart

The heart is a muscle organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods....
, the pulmonary trunk (pulmonary artery or main pulmonary artery) begins at the base of the right ventricle
Right ventricle

The right ventricle is one of four heart chamber in the human heart. It receives deoxygenated blood from the right atrium via the tricuspid valve, and pumps it into the pulmonary artery via the pulmonary valve and pulmonary trunk....
. It is short and wide - approximately 5 cm (2 inches) in length and 3 cm (1.2 inches) in diameter. It then branches into two pulmonary arteries (left and right), which deliver deoxygenated blood to the corresponding lung
Lung

The lung is the essential respiration organ in air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and the more complex life forms, the two lungs are located in the chest on either side of the heart....
.

Role in disease

Pulmonary hypertension
Pulmonary hypertension

In medicine, pulmonary hypertension is an increase in blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries, together known as the lung Pulmonary circulation, leading to dypsnea, dizziness, fainting, and other symptoms, all of which are exacerbated by exertion....
 occurs alone and as a consequence of a number of lung diseases
Pulmonology

File:Lungs_open.jpgIn medicine, pulmonology is the specialty that deals with diseases of the lungs and the respiratory tract. It is called chest medicine and respiratory medicine in some countries and areas....
. It can also be a consequence of heart disease
Heart disease

Heart disease is an umbrella term for a variety for different diseases affecting the heart. As of 2007, it is the leading cause of death in the United States, England, Canada and Wales, killing one person every 34 seconds in the United States alone....
 (Eisenmenger's syndrome
Eisenmenger's syndrome

Eisenmenger's syndrome is defined as the process in which a left-to-right shunt caused by a ventricular septal defect in the heart causes increased flow through the pulmonary vasculature, causing pulmonary hypertension, which in turn, causes increased pressures in the right side of the heart and reversal of the shunt into a right-to-left shu...
) but equally a cause (right-ventricular heart failure); it also occurs as a consequence of pulmonary embolism
Pulmonary embolism

Pulmonary embolism is a blockage of the pulmonary artery or one of its branches, usually occurring when a deep vein thrombosis becomes dislodged from its site of formation and travels, or embolism, to the pulmonary artery blood supply of one of the lungs....
 and scleroderma
Scleroderma

Systemic scleroderma is a systemic connective tissue disease.It is also known as "systemic Sclerosis "....
. It is characterised by reduced exercise tolerance. Severe forms, generally, have a dismal prognosis.

Additional images



See also

  • Chronic obstructive lung disease
  • Pulmonary hypertension
    Pulmonary hypertension

    In medicine, pulmonary hypertension is an increase in blood pressure in the pulmonary artery, pulmonary vein, or pulmonary capillaries, together known as the lung Pulmonary circulation, leading to dypsnea, dizziness, fainting, and other symptoms, all of which are exacerbated by exertion....
  • Thromboembolic disease
  • Pulmonary circulation
    Pulmonary circulation

    Pulmonary circulation is the portion of the cardiovascular system which carries oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart....
  • Rasmussen's aneurysm
    Rasmussen's aneurysm

    Rasmussen's aneurysm is a pulmonary artery aneurysm adjacent or within a tuberculosis cavity. It occurs in up to 5% of patients with such lesions....


External links

- "Mediastinal surface of the right lung
Right lung

The Right lung is divided into three lobes , superior, middle, and inferior, by two interlobular fissures:...
." - "Mediastinal surface of the left lung
Left lung

The Left lung is divided into two lobes, an upper and a lower, by the oblique fissure, which extends from the costal to the mediastinal surface of the lung both above and below the Hilum of lung....
."