part of develops from ends during starts during skeletal muscle death abdominal myoblast hypaxial muscle 2009-07-16T02:14:05Z Type of trunk muscle that lies ventral to the horizontal septum of the vertebrae and is innervated by the ventral ramus of the spinal nerves. The arise from migratory somitic cells along the lower margin of the trunk somites. eriksegerdell body wall muscle xenopus_anatomy UBERON:0008777 XAO:0003228 trunk musculature migrating myoblast NF stage 28