noun which may take the genitive case particle 'no'
lumbosacral
Medical term referring to the lumbar and sacral regions of the spine. Used attributively with の.
腰仙部の痛みを訴える患者が多い。
Many patients complain of pain in the lumbosacral region.
腰仙移行部に異常が見つかった。
An abnormality was found at the lumbosacral junction.