venation

Noun
  1. (botany) the arrangement of veins in a leaf (synset 108390171)
    referred to in: botany, phytology - the branch of biology that studies plants
    is a type of: arrangement - an orderly grouping (of things or persons) considered as a unit; the result of arranging
    is a part of: foliage, leaf, leafage - the main organ of photosynthesis and transpiration in higher plants
  2. (zoology) the system of venous blood vessels in an animal (synset 105428758)
    referred to in: zoological science, zoology - the branch of biology that studies animals
    is a type of: system - a group of physiologically or anatomically related organs or parts
    is a part of: cardiovascular system, circulatory system - the organs and tissues involved in circulating blood and lymph through the body
    same as: venous blood system

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