iliac vein
Học thuậtThân thiện
Definition
- Noun:
- A blood vessel carrying deoxygenated blood from the pelvis: The iliac vein is one of the major veins that collects blood from the pelvic region and lower limbs to return it to the heart.
Usage
- The term "iliac vein" is used in medical, anatomical, and biological contexts to specify a particular part of the human circulatory system. It is typically modified by "common," "external," or "internal" to indicate its specific segment.
Examples
- Noun:
- The surgeon carefully avoided the iliac vein during the procedure.
- A blood clot in the iliac vein can be a serious medical condition.
Advanced Usage
"Common iliac vein": The vein formed by the union of the external and internal iliac veins, which then joins its counterpart from the other side to form the inferior vena cava.
- The common iliac veins merge at the level of the fifth lumbar vertebra.
"External iliac vein": The vein that primarily drains blood from the lower limb.
- The femoral vein becomes the external iliac vein as it passes under the inguinal ligament.
"Internal iliac vein": The vein that drains blood from the pelvic walls and viscera.
- The internal iliac vein collects blood from the gluteal and pelvic organs.
Variants and Related Words
Iliac (adj): Pertaining to the ilium or the nearby region of the pelvis.
- The iliac artery runs parallel to the iliac vein.
Venous (adj): Relating to veins.
- The venous system includes the iliac veins.
Synonyms
- Pelvic vein: A general term for veins draining the pelvic area. (Note: "Iliac vein" is a more specific anatomical term.)
Related Terms (Not Phrasal Verbs)
- Inferior vena cava: The large vein into which the common iliac veins drain.
- Femoral vein: The vein in the thigh that connects to the external iliac vein.
Noun
- one of three veins draining the pelvic area