Pulmonary capillary — Free Physiology Illustration | GPAI | GPAI

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Pulmonary capillary — Free Physiology Illustration | GPAI | GPAI

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Pulmonary capillary

Pulmonary capillary

Physiology

Pulmonary capillary

A very fine pulmonary capillary shown as an extremely thin, narrow red-pink tubular microvessel with a delicate translucent endothelial wall and tiny lumen, closely apposed to the alveolar surface for gas exchange. The capillary is slightly curved and may appear subtly flattened where it runs along the alveolar wall. A few red blood cells are visible within the lumen, often aligned in single file to emphasize the narrow diameter and pulmonary microcirculation.

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