inferior rectal vein

Inferior Anorectal Veins

A vein that is a tributary of the internal pudendal vein and drains the lower third of the rectum and anal canal.

種類 Bone
親構造 vein
ラテン語名 Inferior Anorectal Veins
FMA ID 21242

よくある質問

What is the inferior rectal vein?
The inferior rectal vein is a venous vessel that drains the lower third of the rectum and the anal canal. It is a tributary of the internal pudendal vein.
Where is the inferior rectal vein located?
The inferior rectal vein is located in the lower rectum and anal canal region, draining into the internal pudendal vein. It runs through the ischioanal fossa to reach the pudendal vasculature.
What is the function of the inferior rectal vein?
The inferior rectal vein returns deoxygenated blood from the lower third of the rectum and anal canal to the internal pudendal vein and ultimately to the internal iliac venous system.
What conditions may be associated with the inferior rectal vein?
The inferior rectal vein may be involved in hemorrhoidal venous plexus engorgement, contributing to external hemorrhoid formation. It is also part of the portosystemic anastomosis network, which may become relevant in portal hypertension.
What does the inferior rectal vein look like?
The inferior rectal vein is a small venous vessel running in the perianal and lower rectal tissues. It is typically not conspicuous on imaging unless dilated, such as in hemorrhoidal disease.

関連構造

医療免責事項

このコンテンツは教育および情報提供のみを目的としています。専門的な医療アドバイス、診断、または治療の代替として意図されていません。医学的状態に関する質問がある場合は、必ず医師またはその他の資格のある医療提供者に相談してください。このウェブサイトで読んだことを理由に、専門的な医療アドバイスを無視したり、相談を遅らせたりしないでください。

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.