vena paraumbilicalis
Học thuậtThân thiện
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
- small veins arising in skin around the navel; terminate as accessory portal veins