middle hemorrhoidal vein

middle rectal vein

A vein that is tributary of the internal iliac vein.

प्रकार Bone
मूल संरचना vein
लैटिन नाम middle rectal vein
FMA ID 18893

अक्सर पूछे जाने वाले प्रश्न

What is the middle hemorrhoidal vein?
The middle hemorrhoidal vein, also called the middle rectal vein, is a venous vessel that drains blood from the middle portion of the rectum and empties into the internal iliac vein.
Where does the middle hemorrhoidal vein drain?
The middle hemorrhoidal vein drains into the internal iliac vein, making it part of the systemic venous system rather than the portal venous system.
How does the middle hemorrhoidal vein relate to hemorrhoids?
Hemorrhoids involve engorgement or prolapse of the hemorrhoidal venous plexuses. The middle hemorrhoidal vein is part of the network of rectal veins that, when dilated or inflamed, contribute to hemorrhoidal disease, particularly in the middle rectal region.
What is the portosystemic anastomosis involving the hemorrhoidal veins?
The rectal venous plexus forms an important portosystemic anastomosis. The superior rectal vein drains into the portal system via the inferior mesenteric vein, while the middle and inferior rectal veins drain into the systemic circulation via the internal iliac vein. In portal hypertension, blood can be diverted through this anastomosis, leading to rectal varices.
What structures does the middle hemorrhoidal vein accompany?
The middle hemorrhoidal vein accompanies the middle rectal artery, both of which travel through the lateral ligaments of the rectum. Together they supply and drain the lateral walls of the middle rectum and contribute to the pelvic venous plexus.

संबंधित संरचनाएं

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

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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.