part_of part of part of develops from develops from limb forelimb xenopus_anatomy anterior limb XAO:0003030 UBERON:0002102 fore limb One of the pair of limbs that are situated anteriorly, develop in sacs that separate them from the gill chamber, are well-defined buds by NF stage 48, are innervated by NF stage 51, and are ossified by NF stage 59. forelimb bud pectoral appendage