Hemorrhoidal vein

Hemorrhoidal Vein

Diagram of the anorectal and perineal region, showing the location of hemorrhoidal veins.

The Hemorrhoidal Vein refers to a group of blood vessels located in the anorectal region of the human body. These veins are part of the hemorrhoidal plexus, a network of veins that drain blood from the rectum and anus.

Anatomy

Hemorrhoidal veins are divided into two groups: the internal hemorrhoidal veins and the external hemorrhoidal veins. The internal hemorrhoidal veins are located above the pectinate line, while the external hemorrhoidal veins are located below the pectinate line.

Clinical Significance

When these veins become swollen or inflamed, a condition known as hemorrhoids can occur. Hemorrhoids can cause symptoms such as pain, itching, and bleeding in the anorectal region. They are a common condition, affecting millions of people worldwide.

See Also

• Hemorrhoids
• Anorectal region
• Pectinate line
• Venous plexus