arteriovenous
Học thuậtThân thiện
Definition
- Adjective:
- Relating to or connecting an artery and a vein: "Arteriovenous" describes something that involves or forms a connection between an artery (a vessel carrying blood away from the heart) and a vein (a vessel carrying blood toward the heart).
Usage
- The term is used almost exclusively in medical and anatomical contexts to describe abnormal or surgically created connections between arteries and veins.
- It functions as an adjective and is typically placed before a noun to modify it.
Examples
- Adjective:
- The patient was diagnosed with an arteriovenous malformation in the brain.
- Surgeons created an arteriovenous fistula to facilitate dialysis treatment.
- An arteriovenous graft is a type of vascular access for hemodialysis.
Advanced Usage
- "Arteriovenous anastomosis": A surgical connection or a natural, direct connection between an arteriole and a venule, bypassing the capillary bed.
- Thermoregulation in the skin involves arteriovenous anastomoses.
- "Arteriovenous oxygen difference": A physiological measurement of the difference in oxygen content between arterial and venous blood.
- An increased arteriovenous oxygen difference indicates higher oxygen extraction by the tissues.
Variants and Related Words
- Arteriovenous (AV): Often abbreviated as "AV" in medical notes (e.g., AV fistula, AV shunt).
- Arteriole (n): A small-diameter blood vessel that extends and branches out from an artery and leads to capillaries.
- Venule (n): A very small vein that collects blood from capillaries.
Synonyms
- AV (adj): The common abbreviation used in medical terminology.
- Arteriovenous has no direct, common synonym in non-technical language due to its specific medical meaning.
Related Phrases and Compounds
- Arteriovenous fistula (AVF): An abnormal connection or passageway between an artery and a vein.
- Arteriovenous malformation (AVM): A tangle of abnormal blood vessels connecting arteries and veins.
- Arteriovenous shunt: A tube implanted by surgeons to connect an artery to a vein.
Adjective
- connecting an artery to a vein
- an arteriovenous fistula