has potential to develop into forelimb limb bud forelimb bud RETIRED_EHDAA2:0003198 Genes: Tbx5 specifies forelimbs. Wnt2b restricts Fgf10 in chick // In tetrapods, the position of the forelimb is associated with the anterior expression border of Hoxc6 in the paraxial mesoderm (Burke et al., 1995) XAO:0003065 arm bud SCTID:346062002 BTO:0001645 A limb bud that develops into a forelimb. EHDAA:1699 anterior limb bud upper limb bud EMAPA:16406 MIAA:0000065 FMA:296782 wing bud AAO:0010381 limb bud - forelimb pectoral appendage bud