venation


Concise Oxford English Dictionary © 2008 Oxford University Press:
venation /vɪˈneɪʃ(ə)n/
noun Biology the arrangement of veins in a leaf or in an insect's wing.

■ the system of venous blood vessels in an animal.

– derivatives
venational adjective.
– origin C17: from L. vena ‘vein’ + -ation.
'venation' also found in these Oxford entries:

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