a not uncommon congenital defect in which a vertebra is malformed; unless several vertebrae are affected or there is myelomeningocele there are few symptoms; can be diagnosed by amniocentesis
双语例句
There are the phenomena of hypoplasia in the gastrocnemius MEP of the neonatal mouses with spina bifida manifesta. 显性脊柱裂仔鼠腓肠肌运动终板有发育不全现象。
Based on the findings on this sonogram, there will almost certainly be a spina bifida present. 根据图中所见，可以肯定有脊柱裂。
