Alveolar capillary — Free Physiology Illustration | GPAI | GPAI

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Alveolar capillary — Free Physiology Illustration | GPAI | GPAI

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Alveolar capillary

Alveolar capillary

Physiology

Alveolar capillary

A tiny thin-walled pulmonary capillary segment shown as a narrow curved red to red-pink tubular microvessel closely hugging the contour of an alveolar air sac. The vessel has a delicate wall, a red-blood-cell-sized lumen, and may contain red blood cells packed in single file, emphasizing its specialized gas-exchange role around the alveolar surface.

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