Middle rectal veins
(Redirected from Middle hemorrhoidal veins)
Middle rectal veins
The middle rectal veins are a group of veins that drain blood from the rectum and the anal canal. These veins are part of the venous drainage system of the pelvis and play a crucial role in the circulatory system by returning deoxygenated blood to the heart.
Anatomy[edit | edit source]
The middle rectal veins originate from the rectal venous plexus, which is a network of veins surrounding the rectum. They travel laterally and superiorly, eventually draining into the internal iliac veins. The internal iliac veins then continue to the common iliac veins, which merge to form the inferior vena cava, the large vein that carries deoxygenated blood from the lower half of the body to the heart.
Function[edit | edit source]
The primary function of the middle rectal veins is to facilitate the drainage of blood from the rectum and the anal canal. This is essential for maintaining proper blood circulation and ensuring that waste products and deoxygenated blood are efficiently removed from the pelvic region.
Clinical Significance[edit | edit source]
The middle rectal veins are clinically significant because they can be involved in various medical conditions. For instance, increased pressure in these veins can lead to the development of hemorrhoids, which are swollen and inflamed veins in the rectum and anus. Additionally, these veins can be involved in the spread of pelvic cancers, as cancer cells can travel through the venous system to other parts of the body.
Related Structures[edit | edit source]
The middle rectal veins are part of a larger network of veins that includes the superior rectal veins and the inferior rectal veins. Together, these veins ensure comprehensive venous drainage of the rectum and the anal canal.
See Also[edit | edit source]
References[edit | edit source]
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
WikiMD's Wellness Encyclopedia |
Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD