Definition

Noun: - A major vein of the pelvis: The internal iliac vein is a blood vessel that drains deoxygenated blood from the pelvic organs, gluteal region, and medial thigh. - A component of the common iliac vein: It unites with the external iliac vein to form the common iliac vein, which then joins its counterpart to form the inferior vena cava.

Usage Examples

• Noun:
  • The surgeon carefully dissected around the internal iliac vein to avoid injury.
  • A blood clot in the internal iliac vein can be a serious medical condition.
  • The internal iliac vein collects blood from several smaller tributaries within the pelvis.

Advanced Usage

• Clinical context: The term is primarily used in medical, anatomical, and surgical contexts. It is often discussed in relation to its tributaries, its anatomical course, or pathological conditions such as deep vein thrombosis (DVT).
  • The imaging study showed compression of the left internal iliac vein.

Variants and Related Words

• Hypogastric vein: This is an older, synonymous term for the internal iliac vein, though "internal iliac vein" is now the standard term in modern anatomy.
• Common iliac vein (n): The vein formed by the union of the internal and external iliac veins.
• External iliac vein (n): The vein that unites with the internal iliac vein.

Synonyms

• Hypogastric vein (anatomical synonym)

Related Anatomical Structures (Not Phrasal Verbs)

• Tributaries of the internal iliac vein: These include veins such as the superior and inferior gluteal veins, internal pudendal vein, and obturator vein, which drain into it.
• Pelvic venous plexus: A network of veins connected to the internal iliac vein.

Noun

1. a vein that unites with the external iliac vein to form the common iliac vein