venation

• Nom désignant la disposition ou le système des nervures, par exemple dans une feuille (botanique) ou dans les vaisseaux sanguins d'un animal (zoologie).

A noun referring to the arrangement or system of veins, such as in a leaf (botany) or in the blood vessels of an animal (zoology).

1. Leaf vein arrangementC2formalscientific

   The pattern or arrangement of veins in a leaf blade.

   Nervation foliaire

   • The venation of a maple leaf is palmate.
   • Botanists study leaf venation to identify plant species.
   • Parallel venation is common in grasses.

   Synonymesveining

2. Animal vein systemC2formalscientific

   The system or arrangement of veins in the body of an animal.

   Véination (système veineux animal)

   • The venation of an insect's wing is used for classification.
   • The venation of the human circulatory system is complex.
   • Zoologists examine the venation in different species.