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subsegmental pulmonary artery

An artery that is a branch of the segmental pulmonary artery and supplies deoxyge blood to a smaller subsegment of the lung.

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Tipe Vessel
Struktur Induk respiratory system artery
FMA ID 9311

Frequently Asked Questions

What is the subsegmental pulmonary artery?

The subsegmental pulmonary artery is a branch of the segmental pulmonary artery that is involved in supplying deoxygenated blood to a smaller subsegment of the lung for gas exchange at the alveolar level.

Where is the subsegmental pulmonary artery located?

Subsegmental pulmonary arteries are located within the lung parenchyma, arising from the segmental pulmonary arteries and coursing alongside the subsegmental bronchi into smaller subdivisions of each pulmonary lobe.

What is the function of the subsegmental pulmonary artery?

The subsegmental pulmonary artery is involved in delivering deoxygenated blood from the right side of the heart to the pulmonary capillaries of a specific lung subsegment, where oxygen uptake and carbon dioxide release take place.

What conditions may be associated with the subsegmental pulmonary artery?

Subsegmental pulmonary embolism, pulmonary arterial hypertension, lung infarction, or structural lung diseases such as emphysema may be associated with changes involving the subsegmental pulmonary arteries.

How is the subsegmental pulmonary artery examined?

Subsegmental pulmonary arteries may be assessed through CT pulmonary angiography, which can visualize filling defects suggestive of embolism, ventilation-perfusion scintigraphy, or pulmonary angiography in select clinical settings.

References

  1. Foundational Model of Anatomy — FMA:9311 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:8600060 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.