congenital cyst先天性囊肿congenitaladj.天生的；先天的congenital lens coloboma先天性晶体缺损Congenital dysfibrinogen先天性纤维蛋白原异常congenital heart defects先天性心脏缺损congenital varix orbital先天性眼眶脉曲张Congenital macrognathism先天性巨颌Congenital neuroblastoma能量多普勒显像congenital anal stenosis先天性肛门狭窄Congenital heart desease先天性心脏病Congenital hiatus hernia先天性食管裂孔疝congenital aldosteronism先天性醛固酮过多症

1. Congenital missing of one or both of the maxillary incisors is the second most common form of tooth agenesis.
   摘要上颚侧门齿先天缺失是仅次于第三大臼齿最常见的牙齿缺失。