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  2. Zones of the lung - Wikipedia

    en.wikipedia.org/wiki/Zones_of_the_lung

    An increase in Pi causes extraalveolar blood vessels to reduce in caliber, in turn causing blood flow to decrease (extraalveolar blood vessels are those blood vessels outside alveoli). Intraalveolar blood vessels (pulmonary capillaries) are thin walled vessels adjacent to alveoli which are subject to the pressure changes described by zones 1-3.

  3. Starling equation - Wikipedia

    en.wikipedia.org/wiki/Starling_equation

    As all blood vessels allow a degree of protein leak , true equilibrium across the membrane cannot occur and there is a continuous flow of water with small solutes. The molecular sieving properties of the capillary wall reside in a recently-discovered endocapillary layer rather than in the dimensions of pores through or between the endothelial ...

  4. Pulmonary capillary hemangiomatosis - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_capillary_hemang...

    Pulmonary capillary hemangiomatosis (PCH) is a disease affecting the blood vessels of the lungs, where abnormal capillary proliferation and venous fibrous intimal thickening result in progressive increase in vascular resistance. [1] It is a rare cause of pulmonary hypertension, and occurs predominantly in young adults.

  5. Pulmonary circulation - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_circulation

    De-oxygenated blood leaves the heart, goes to the lungs, and then enters back into the heart. [2] De-oxygenated blood leaves through the right ventricle through the pulmonary artery. [2] From the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve) into the right ventricle.

  6. Hemodynamics - Wikipedia

    en.wikipedia.org/wiki/Hemodynamics

    Blood is a complex liquid. Blood is composed of plasma and formed elements.The plasma contains 91.5% water, 7% proteins and 1.5% other solutes. The formed elements are platelets, white blood cells, and red blood cells.

  7. Pulmonary hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_hemorrhage

    The onset of pulmonary hemorrhage is characterized by a cough productive of blood and worsening of oxygenation leading to cyanosis. [1] Treatment should be immediate and should include tracheal suction, oxygen, positive pressure ventilation, and correction of underlying abnormalities such as disorders of coagulation.

  8. Perfusion - Wikipedia

    en.wikipedia.org/wiki/Perfusion

    Perfusion may also refer to fixation via perfusion, used in histological studies. Perfusion is measured as the rate at which blood is delivered to tissue, [2] or volume of blood per unit time (blood flow) per unit tissue mass. The SI unit is m 3 /(s·kg) [citation needed], although for human organs perfusion is typically reported in ml/min/g. [3]

  9. Blood vessel - Wikipedia

    en.wikipedia.org/wiki/Blood_vessel

    Blood vessels function to transport blood to an animal's body tissues. In general, arteries and arterioles transport oxygenated blood from the lungs to the body and its organs, and veins and venules transport deoxygenated blood from the body to the lungs. Blood vessels also circulate blood throughout the circulatory system.

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