vena

/'vi:nə/

Thân thiện

The diagram clearly labels the vena cava returning blood to the heart.

Definition

1. Noun:
   • A blood vessel that carries blood from the capillaries toward the heart: A "vena" is a type of vessel in the circulatory system responsible for returning deoxygenated blood (except in the pulmonary circuit) from the body's tissues back to the heart.

Usage

• The term "vena" is a technical term primarily used in medical and anatomical contexts. In general English, the word "vein" is far more common. "Vena" is often seen in its plural form "venae" or in specific Latin-derived anatomical names.

Examples

• Noun:
  • The surgeon carefully dissected the vena to prepare for the bypass graft.
  • The major venae of the upper body were clearly labeled in the anatomy textbook.

Advanced Usage

• "Vena cava": This is a specific compound term (listed here as it is a fixed anatomical name). It refers to one of the two large veins that carry deoxygenated blood into the heart.
  • The inferior vena cava returns blood from the lower body to the heart.

Variants and Related Words

• Vein (n): The common English word for "vena."
• Venous (adj): Relating to or contained in veins.
  • Venous blood is typically darker red than arterial blood.
• Venae (n, plural): The plural form of "vena."

Synonyms

• Blood vessel: A general term for any tube in the body carrying blood (includes arteries, veins, and capillaries).
• Vein: The direct and most common synonym.

Notes on Different Meanings

• In standard modern English, "vena" has a single, specific anatomical meaning. It does not have the broader metaphorical meanings (e.g., a streak or a style) that the word "vein" has.

Học thuật

Noun

1. a blood vessel that carries blood from the capillaries toward the heart
   • all veins except the pulmonary vein carry unaerated blood

Từ đồng nghĩa

• vein
• venous blood vessel