|1.||resembling a hair; slender|
|2.||(of tubes) having a fine bore|
|3.||anatomy of or relating to any of the delicate thin-walled blood vessels that form an interconnecting network between the arterioles and the venules|
|4.||physics of or relating to capillarity|
|—n , -laries|
|5.||anatomy any of the capillary blood vessels|
|6.||a fine hole or narrow passage in any substance|
|[C17: from Latin capillāris, from capillus hair]|
capillary cap·il·lary (kāp'ə-lěr'ē)
Of or relating to the capillaries.
Relating to or resembling a hair; fine and slender.
|capillary (kāp'ə-lěr'ē) Pronunciation Key
Any of the tiny blood vessels that connect the smallest arteries (arterioles) to the smallest veins (venules). Capillaries form a network throughout the body for the exchange of oxygen, metabolic waste products, and carbon dioxide between blood and tissue cells.