phenotype affects entity abnormal L5 dorsal root ganglion morphology L5 ganglion dysplasia L5 dorsal root ganglion dysplasia abnormal L5 sympathetic ganglion morphology abnormal L5 ganglion morphology any structural anomaly of the group of nerve cell bodies located on the dorsal spinal roots within the vertebral column at the level of the fifth lumbar vertebra MP:0001022 abnormal L5 sympathetic ganglia morphology abnormal L5 dorsal root ganglia morphology abnormal L5 DRG morphology MP:0006407 MPheno.ontology abnormal lumbar dorsal root ganglion morphology fifth lumbar dorsal root ganglion fifth lumbar dorsal root ganglion morphology phenotype