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An alveolus (plural: alveoli, from Latin alveus, "little cavity"), is an anatomical structure that has the form of a hollow cavity. Mainly found in the lung, the pulmonary alveoli are spherical outcroppings of the respiratory bronchioles and are the primary sites of gas exchange with the blood. Date: December 2007: Source: Own work using:
Added O2 and CO2 label. Better colour for the capillary fundus. 07:39, 15 March 2020: 687 × 447 (300 KB) Jmarchn: More section of capillary, more realistic red blood cells, add blood–air barrier, bigger macrophage and type II cell. 23:32, 14 March 2020: 660 × 416 (273 KB) Jmarchn: Add Type II pneumocyte and macrophage. Add basal lamina. 03: ...
An alveolus (plural: alveoli, from Latin alveus, "little cavity"), is an anatomical structure that has the form of a hollow cavity. Mainly found in the lung, the pulmonary alveoli are spherical outcroppings of the respiratory bronchioles and are the primary sites of gas exchange with the blood. Date: 9 August 2010, 16:14 (UTC) Source: Alveolus ...
An infobox for data relating to arteries Template parameters [Edit template data] Parameter Description Type Status Name Name no description Unknown required Image Image no description Unknown suggested Width Width no description Unknown optional Caption Caption no description Unknown optional Image2 Image2 no description Unknown optional Width2 Width2 no description Unknown optional Caption2 ...
If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it. This image was selected as picture of the day on the English Wikipedia for May 29, 2008 .
This concept is generally attributed to an article by West et al. in 1964, [1] but was actually proposed two years earlier by Permutt et al. [2] In this article, Permutt suggests "The pressure in the pulmonary arteries and veins is less at the top than at the bottom of the lung. It is quite likely that there is a portion of the lung toward the ...
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.
[1] At the root of the lung, the right superior pulmonary vein lies in front of and a little below the pulmonary artery; the inferior is situated at the lowest part of the lung hilum. Behind the pulmonary artery is the bronchus . [ 2 ]