microvessel

/-ˈves-əl/ (ame, mw)

microvessel — noun

1. Any of the smallest blood vessels inside the body — such as capillaries, arterio

1.名詞C2
釋義

Any of the smallest blood vessels inside the body — such as capillaries, arterioles, and venules — that carry blood through organs and tissues and allow oxygen, nutrients, and waste products to pass between the blood and the cells.

例句

The surgeon examined the microvessels in Mrs. Park's retina for signs of diabetic damage.

collocation: microvessels in + body part

In healthy muscle tissue, microvessels form a dense network that supplies every cell with oxygen and glucose.

同義詞
  • small blood vessel

    everyday non-technical term covering all tiny vessels; broader than microvessel

  • capillary

    narrower — refers specifically to the smallest type of microvessel where gas exchange occurs

反義詞
  • macrovessel

    a large blood vessel such as an artery or vein, as opposed to a tiny one

用法筆記

This term is almost exclusively used in medical and biological research writing. In everyday conversation, speakers generally refer to 'small blood vessels' instead.

常見錯誤

❌The doctor checked the microvessels in my arm.
✅The doctor checked the small blood vessels in my arm.
💡'microvessel' is a technical term used mainly in medical writing, not in routine clinical talk between doctor and patient.