Definition of capillary in English:
1 Anatomy Any of the fine branching blood vessels that form a network between the arterioles and venules.
- 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.
- 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.
- 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.
Definition of capillary in:
- British & World English dictionary