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external nasal vein

A vein that is tributary of the angular vein and drains blood from the superficial tissues and skin of the dorsum (bridge) and ala (wings) of the nose.

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النوع Bone
البنية الأم head blood vessel
FMA ID 50910

Frequently Asked Questions

What is the external nasal vein?

The external nasal vein is a vein that drains the superficial tissues and skin of the dorsum (bridge) and ala (wings) of the nose, emptying into the angular vein.

Where is the external nasal vein located?

The external nasal vein is located on the outer surface of the nose, coursing along the dorsum and around the alar region before joining the angular vein near the medial canthus of the eye.

What is the function of the external nasal vein?

The external nasal vein is involved in returning deoxygenated blood from the superficial nasal tissues to the facial venous system via the angular vein.

What conditions may be associated with the external nasal vein?

Conditions such as rhinophyma, nasal skin infections, or venous engorgement related to nasal inflammation may be associated with changes in the external nasal vein.

How is the external nasal vein examined?

The external nasal vein may be evaluated through clinical inspection of nasal surface vasculature, Doppler ultrasound of the facial veins, or imaging studies of the head and neck that include soft tissue detail.

References

  1. Foundational Model of Anatomy — FMA:50910 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:8600087 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

إخلاء المسؤولية الطبية

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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.