lateral sacral vein

A vein that is tributary of the internal iliac vein and drains the anterior surface of the sacrum.

प्रकार Bone
मूल संरचना vein
FMA ID 18905

अक्सर पूछे जाने वाले प्रश्न

What is the lateral sacral vein?
The lateral sacral vein is a vein located in the pelvic region that drains blood from the anterior surface of the sacrum and empties into the internal iliac vein.
What does the lateral sacral vein drain?
The lateral sacral vein drains the anterior surface of the sacrum, including blood from the sacral foramina and the presacral venous plexus. It removes deoxygenated blood from bony and adjacent soft tissue structures around the sacrum.
How many lateral sacral veins are present?
There are typically multiple lateral sacral veins on each side, often arranged as superior and inferior branches that accompany the lateral sacral arteries. These small veins form a plexus over the sacral surface before joining the internal iliac vein.
Why is the lateral sacral vein important in surgery?
The lateral sacral veins are important in posterior pelvic and sacral surgery, including rectal resections and sacral tumor excisions. Injury to these veins can cause brisk presacral bleeding that is difficult to control due to the veins' proximity to the sacral bone.
What is the presacral venous plexus and how does it relate to the lateral sacral vein?
The presacral venous plexus is a network of thin-walled veins lying on the anterior surface of the sacrum. The lateral sacral veins are part of this plexus and communicate with basivertebral veins inside the sacral bone. This plexus is prone to catastrophic hemorrhage during low anterior rectal resection if the presacral fascia is breached.

संबंधित संरचनाएं

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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.