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Contact: Karen Kreeger
University of Pennsylvania School of Medicine

Fruit Fly Brain Circuit

Caption: This image shows a model of the circadian output circuit for locomotor rhythms. One hemisphere of the fly brain is depicted. The circuit extends from the master pacemaker cells called s-LNvs (red), through other cells called DN1s (orange), and on to different types of pars intercerebralis cells (blue), which modulate locomotor rhythms through the release of the molecule DH44.

Credit: Daniel Cavanaugh, Perelman School of Medicine, University of Pennsylvania

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Related news release: Fruit fly study identifies brain circuit that drives daily cycles of rest, activity

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