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From Biology-Online Dictionary | Biology-Online Dictionary
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noun, plural: venules

(anatomy) A small vein, the smallest of the venous blood vessel that connects the capillaries to the large, systemic vein.

(entomology) One of the small branches of a vein in the wing of an insect.


Venules, as a blood vessel, functions as a passageway for blood returning from the capillaries to the vein (back to the heart).

Word origin: Latin vēnula, diminutive of vēna, vein.
Related forms: venular (adjective)

Also called: veinule or veinulet

Related terms: