Definition

1. Noun:
   • A major vein that collects blood from the digestive organs and spleen and delivers it to the liver: The hepatic portal vein is a vessel that transports nutrient-rich, deoxygenated blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver for processing.

Usage

• The term "hepatic portal vein" is used in medical, anatomical, and biological contexts to describe this specific part of the circulatory system. It is often discussed in relation to liver function, digestion, and detoxification.
• It is typically preceded by the definite article "the" (e.g., hepatic portal vein).

Examples

• Noun:
  • Nutrients absorbed from the small intestine are transported directly to the liver via the hepatic portal vein.
  • A blockage in the hepatic portal vein can lead to a serious condition called portal hypertension.

Advanced Usage

• "Portal venous system": Refers to the entire system of veins that drain blood from the abdominal digestive tract and spleen into the hepatic portal vein and subsequently into the liver.
  • The portal venous system is crucial for the metabolic functions of the liver.

Variants and Related Words

• Portal vein: A common shortened form for "hepatic portal vein."
  • The surgeon carefully avoided the portal vein during the procedure.
• Hepatic: Pertaining to the liver.
• Venous: Pertaining to veins.

Synonyms

• Portal vein: The most direct synonym.
• Portal venous trunk: A more technical synonym.

Related Phrases

• Portal circulation: The pathway of blood flow from the digestive organs to the liver and then to the heart.
  • Portal circulation allows the liver to regulate blood composition before it returns to the systemic circulation.

Noun

1. a short vein that carries blood into the liver