<prompt> Hemiveebra is a defect ofBodyTransverse processSpinePosterior veebral arches  <response>: Veebral bodies mainly develop from ventral sclerotome VS thus hemiveebra is a defect of VS Hemiveebra can lead to defects in the veebral column - scoliosis. Posterior veebral arches PVA contribute mainly to the lamina spines. PVA are contributed by the dorsal sclerotome. 