The three-month-old had spina bifida, a birth defect in which the backbone and spinal cord do not close before birth. 原来，这名仅有三个月大的女婴患了先天缺陷脊柱裂的疾病，这是一种在婴儿出生前脊椎和脊髓没有闭合生长的先天性疾病。
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。
