Fig. 4
From: Limb patterning genes and heterochronic development of the emu wing bud

Expression of the Tbx5 gene in emu versus chicken limb buds (HH stages 18–22). Arrows shows forelimb. For emu Tbx5, insets show higher magnification dorsal views
From: Limb patterning genes and heterochronic development of the emu wing bud
Expression of the Tbx5 gene in emu versus chicken limb buds (HH stages 18–22). Arrows shows forelimb. For emu Tbx5, insets show higher magnification dorsal views