venule


From The Collaborative International Dictionary of English v.0.48:

Venule \Ven"ule\ (v[e^]n"[-u]l), n. [L. venula, dim. from vena
   vein.]
   A small vein; a veinlet; specifically (Zool.), one of the
   small branches of the veins of the wings in insects.
   [1913 Webster]
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