Leukocytes (WBCs) can sometimes be found 'marginally' in pulmonary capillaries. This refers to:
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Correct answer: WBCs rolling or pausing along the endothelium
Margination occurs when leukocytes slow down and interact with the endothelial wall. The lung serves as a significant reservoir for neutrophils, which can be rapidly mobilized during infection or inflammation.
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More Pulmonary Capillaries questions
- Which type of capillary is most characteristic of the pulmonary alveolar walls?
- What is the primary function of the pulmonary capillary network within the alveolar septum?
- Which of the following describes the relationship between the pulmonary capillary endothelium and the alveolar epithelium?
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- Which enzyme is found in high concentrations on the luminal surface of pulmonary capillary endothelial cells?
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