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alternative term

drains to

tributary channel of

drains into

curator note

This relation can be used for geographic features (e.g. rivers) as well as anatomical structures (veins, arteries)


x tributary_of y if and only if x a channel for the flow of a substance into y, where y is larger than x. If x and y are hydrographic features, then y is the main stem of a river, or a lake or bay, but not the sea or ocean. If x and y are anatomical, then y is a vein.

definition source

example of usage

inferior epigastric vein tributary_of external iliac vein

Deschutes River tributary_of Columbia River

has curation status


term editor

Chris Mungall

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