Definition of capillary in English:

capillary

Syllabification: cap·il·lar·y
Pronunciation: /ˈkapəˌlerē
 
/

noun

1 Anatomy Any of the fine branching blood vessels that form a network between the arterioles and venules.
More example sentences
  • Blood obtained from a skin puncture is a mixture of arterioles, venules and capillaries and contains interstitial and intracellular fluids.
  • Between the arteries and the veins are networks of tiny blood vessels called capillaries.
  • Immature vessels coalesce to form larger vessels and organize into capillaries, arterioles, and venules.
2 (also capillary tube) A tube that has an internal diameter of hairlike thinness.
More example sentences
  • Different diameter capillary tubes are used for thinner or thicker oils.
  • Scientists have long used ultra-fine glass tubes known as capillaries to analyze the chemical makeup of substances.
  • The packed cell volume is determined by centrifuging the specimen in capillary tubes and measuring the height of the red cell column.

adjective

[attributive] Back to top  
Of or relating to capillaries or capillarity.
More example sentences
  • Alveolar wall thickening with eosinophilic materials and capillary congestion with red blood cells were evident in the mice with emphysema at 72 hours.
  • While patients with insulin-requiring diabetes are in active labor, capillary blood glucose levels should be monitored hourly.
  • One of the most colorful controversies in the first decade of the 20th century concerned how oxygen moved across the pulmonary capillary wall into the blood.

Origin

mid 17th century: from Latin capillaris, from capillus 'hair', influenced by Old French capillaire.

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