vena sigmoideus
Học thuậtThân thiện
Definition
Noun: - A vein draining the sigmoid colon: The vena sigmoideus is a blood vessel that collects deoxygenated blood from the sigmoid colon (the S-shaped final part of the large intestine before the rectum). It is a tributary, meaning it feeds into, the inferior mesenteric vein.
Usage
- The term is used in medical, anatomical, and biological contexts to describe a specific part of the venous (vein) system associated with the digestive tract.
- It is typically used in technical writing, textbooks, and clinical discussions.
Examples
- During the surgery, the surgeon carefully ligated the to control bleeding.
- The drains blood from the sigmoid flexure of the colon.
- Inflammation in the region can affect the .
Advanced Usage
- The term is part of precise anatomical nomenclature. In clinical reports, its condition (e.g., thrombosis) may be noted in relation to pathologies of the lower gastrointestinal tract.
Variants and Related Words
- Sigmoid veins: This is a more common clinical term, often used in the plural, referring to the several veins that include the .
- Inferior mesenteric vein: The larger vein into which the drains.
Synonyms
- Sigmoid vein(s): The direct and most common synonym in medical English.
Noun
- tributaries of the inferior mesenteric vein; drains the sigmoid colon