Assertion: lumbar plexus | /r/CapableOf | appear as ovoid structure
Facets:
value: on transverse sonograms
type: LOCATION
Source sentences:
text: On transverse sonograms, the lumbar plexus appeared as an ovoid structure consisting of hypoechoic dots—the fascicles or fascicle groups 13 —enveloped by hyperechoic elements resembling connective tissue—the epineurium.