Look up downstream or upstream in Wiktionary, the free dictionary.

Upstream and downstream can refer to:

Molecular biology

• Upstream and downstream (DNA), determining relative positions on DNA
• Upstream and downstream (transduction) determining temporal and mechanistic order of cellular and molecular events of signal transduction

Computer science

• Upstream and Downstream, the notional directions which lie "towards" and "away from" the author of a piece of software, relative to the speaker

See also

• Upstream (disambiguation)
• Downstream (disambiguation)

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