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Micrograph showing hemosiderin-laden alveolar macrophages, as seen in a pulmonary hemorrhage. H&E stain. An alveolar macrophage, pulmonary macrophage, (or dust cell) is a type of macrophage, a professional phagocyte, found in the airways and at the level of the alveoli in the lungs, but separated from their walls. [1]
Lipid-laden alveolar macrophages, also known as pulmonary foam cells, [2] are cells found in bronchoalveolar lavage (BAL) specimens that consist of macrophages containing deposits of lipids (fats). [3] The lipid content of the macrophages can be demonstrated using a lipid targeting stain like Oil Red O or Nile red.
Foamy macrophages are also found in diseases caused by pathogens that persist in the body, such as Chlamydia, Toxoplasma, or Mycobacterium tuberculosis. In tuberculosis (TB), bacterial lipids disable macrophages from pumping out excess LDL, causing them to turn into foam cells around the TB granulomas in the lung. The cholesterol forms a rich ...
The gross appearance of a lipid pneumonia is that in which there is an ill-defined, pale yellow area on the lung. This yellow appearance explains the colloquial term "golden" pneumonia. [7] At the microscopic scale foamy macrophages and giant cells are seen in the airways, and the inflammatory response is visible in the parenchyma. [citation ...
Respiratory sounds, also known as lung sounds or breath sounds, are the specific sounds generated by the movement of air through the respiratory system. [1] These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. [2]
Olena Ruban/Getty Images. 4. Incompatible: Taurus and Aquarius. The zodiac’s bull is stable and predictable, especially in matters of the heart.That can spell romance and reliability for some ...
Understanding Lung Sounds 3rd edition (2002) by Steven Lehrer is a book and audio CD that guides the student through the skills of lung auscultation. It provides a complete overview of lung examination, anatomy, physiology, and pathology.
A seasonal greeting card, whether handwritten on personalized Christmas stationary or typed out on a tasteful e-card, is one way to show family and friends you care about them this holiday season ...
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