sigmoid vein
Học thuậtThân thiện
Definition
Noun: * A blood vessel that collects deoxygenated blood from the sigmoid colon. It is a tributary (a branch that drains into) the inferior mesenteric vein, which ultimately carries blood to the liver.
Usage
The term "sigmoid vein" is used in specific anatomical and medical contexts to describe this particular part of the venous (vein) system related to the large intestine. * During the surgery, the surgeon carefully ligated the sigmoid vein to prevent bleeding. * The sigmoid vein drains blood from the sigmoid colon into the inferior mesenteric vein.
Advanced Usage
- In anatomical descriptions, it is often discussed alongside other veins of the colon, such as the superior and inferior mesenteric veins.
- Its clinical importance is highlighted in procedures like colectomy (removal of part of the colon) or in the context of portal hypertension, where pressure in this venous system can increase.
Variants and Related Words
- Venae sigmoideae: This is the plural form and the formal Latin term used in precise anatomical nomenclature.
- Inferior mesenteric vein: The larger vein into which the sigmoid vein drains.
- Sigmoid colon: The S-shaped part of the large intestine from which this vein collects blood.
Synonyms
There are no direct common synonyms for this specific anatomical structure. In general anatomical language, it may be referred to descriptively as: * A vein of the sigmoid colon
Related Phrases
- Venous drainage of the sigmoid colon: A phrase describing the function of the sigmoid vein and associated vessels.
- Tributary of the inferior mesenteric vein: A phrase describing the sigmoid vein's anatomical relationship.
Noun
- tributaries of the inferior mesenteric vein; drains the sigmoid colon