superior rectal vein

Superior Anorectal Vein

A vein that is a tributary of the inferior mesenteric vein and drains the upper two thirds of the rectum and upper anal canal.

प्रकार Bone
मूल संरचना vein
लैटिन नाम Superior Anorectal Vein
FMA ID 15393

अक्सर पूछे जाने वाले प्रश्न

What is the superior rectal vein?
The superior rectal vein is a venous vessel that drains the upper two thirds of the rectum and the upper anal canal. It is a tributary of the inferior mesenteric vein, placing it within the portal venous system.
Where is the superior rectal vein located?
The superior rectal vein is located along the upper rectum and upper anal canal, ascending to drain into the inferior mesenteric vein. It runs in the mesorectal tissue posterior to the rectum.
What is the function of the superior rectal vein?
The superior rectal vein drains blood from the upper rectum and upper anal canal into the inferior mesenteric vein and ultimately the portal venous system, facilitating venous return from the lower gastrointestinal tract.
What conditions may be associated with the superior rectal vein?
The superior rectal vein forms part of the portosystemic anastomosis at the anorectal junction, which may become dilated in portal hypertension—a condition associated with internal hemorrhoid formation. It is also relevant in rectal venous thrombosis.
What does the superior rectal vein look like?
The superior rectal vein is a venous vessel running in the perirectal connective tissue, visible on pelvic MRI or CT as a thin vessel along the posterior rectal wall ascending toward the inferior mesenteric vein.

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

चिकित्सा अस्वीकरण

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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.