venous

/'vi:nəs/

Thân thiện

A nurse draws venous blood from a patient's arm.

Definition

1. Adjective:
   • Relating to, contained within, or functioning as a vein or veins: Pertaining to the blood vessels that carry blood toward the heart.
   • Characteristic of venous blood: Having the deoxygenated, darker red quality of blood returning to the heart through the veins.

Examples of Usage

• Adjective:
  • The doctor examined the patient for signs of venous insufficiency.
  • Venous blood is typically drawn from a vein in the arm for laboratory testing.
  • The ultrasound showed a blockage in the deep venous system of the leg.

Advanced Usage

• "Venous return": The flow of blood back to the heart via the veins.
  • Muscle contraction aids venous return from the legs.
• "Venous pressure": The blood pressure within the venous system.
  • Elevated central venous pressure can indicate heart failure.

Variants and Related Words

• Intravenous (adj/adverb): Existing or taking place within, or administered into, a vein or veins.
  • The patient received intravenous fluids.
• Venule (noun): A very small vein, especially one collecting blood from the capillaries.
  • Blood flows from capillaries into venules.

Synonyms

• Phlebic (medical, rare): Relating to a vein or veins.
• (Conceptual) Deoxygenated (when referring specifically to the blood carried).

Related Phrases and Compounds

• Venous sinus: A channel for venous blood, such as those within the brain.
  • The sagittal sinus is a major venous sinus.
• Venous hum: A continuous blowing sound heard over large veins, often normal in children.
• Venous cutdown: A surgical procedure to access a vein.

Học thuật

Adjective

1. of or contained in or performing the function of the veins
   • venous inflammation
   • venous blood as contrasted with arterial blood
   • venous circulation