Definition

Noun: * Vena paraumbilicalis: A small vein that arises in the skin around the navel (umbilicus). These veins terminate by connecting to the portal vein system in the liver, serving as accessory portal veins.

Usage

• The term is used in medical and anatomical contexts to describe specific venous structures.
• It is a singular noun. The plural form is .

Examples

• During the examination, the surgeon noted the dilation of the vena paraumbilicalis.
• In portal hypertension, the venae paraumbilicales can become enlarged and visible on the abdominal wall.

Advanced Usage

• Clinical Significance: These veins can serve as a collateral pathway for blood flow when there is an obstruction in the main portal vein, a condition often visible as around the navel.

Variants and Related Words

• Paraumbilical vein(s): This is the common English equivalent term for .
• Sappey's veins: An eponymous name sometimes used for the paraumbilical veins.
• Accessory portal vein: A descriptive term for its function.

Synonyms

• Paraumbilical vein

Related Anatomical Terms

• Portal vein: The major vein to which the paraumbilical veins connect.
• Umbilicus: The anatomical site (navel) where these veins are found.
• Collateral circulation: The functional network these veins can become part of in disease states.

Noun

1. small veins arising in skin around the navel; terminate as accessory portal veins