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🦋 Wing Disc Patterning

The Drosophila wing imaginal disc is patterned by compartment boundaries and morphogen gradients. The A/P boundary expresses Hedgehog, inducing Dpp. The D/V boundary expresses Wingless. These organize wing veins and growth.

Generation: 0
Stage: Early Disc
Disc Size: 0
Veins Formed: 0
Compartments: 4
Morphogen Signaling:
Hedgehog: From posterior compartment
Dpp: Along A/P boundary, patterns veins
Wingless: Along D/V boundary, wing margin
Notch: D/V boundary organizer