part of develops from ends during starts during dermatome XAO:0000220 UBERON:0004016 xenopus_anatomy Somitic compartment that is a precursor of dermis, the cells of which become arranged in a single layer that blankets the myotome, possibly continuously (unsegmented) across somites. head somite 1 head somite 2 head somite 3 head somite 4 trunk somite 1 trunk somite 2 trunk somite 3 trunk somite 4 trunk somite 5 trunk somite 6 trunk somite 7 trunk somite 8 trunk somite 9 trunk somite 10 trunk somite 11 trunk somite 12 trunk somite 13 tail somite 14 tail somite 15 tail somite 16 tail somite 17 tissue tail somite 18 dermomyotome NF stage 17 NF stage 47