ends during starts during death zeugopod UBERON:0002471 eriksegerdell Limb segment that is the middle part of the limb (i.e. the radio-ulna of the forelimb, and the tarsus and tibia-fibula of the hindlimb, and surrounding tissues). XAO:0004264 xenopus_anatomy zeugopodium metapodium limb segment NF stage 55