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.

类型 Bone
上级结构 head blood vessel
FMA ID 50910

常见问题

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.

相关结构

mucus body coating mucous body coating mucus cocoon mucous cocoon Mullerian duct ductus paramesonephricus multi cell part structure cell part cluster multicellular anatomical structure multicellular structure multilaminar epithelium laminated epithelium multi-tissue structure multi-tissue structures multi-unit eye

医学免责声明

本内容仅供教育和信息目的。不打算作为专业医疗建议、诊断或治疗的替代品。对于您可能对某种医疗状况有的任何问题，请始终寻求医生或其他合格医疗提供者的建议。切勿因在本网站上阅读的内容而忽视专业医疗建议或延迟寻求建议。

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.