The skull at this early age is cartilaginous and flexible.头骨在这幼稚时期是软骨性的,具有可屈性.The outer one third has a cartilaginous skeleton.外部1/3为软骨性骨骼.The cartilaginous cap contained hyaline cartilage that retained its lacunar patte...
Objective To explore the value of meal examination in cartilaginous tracheobronchial ectopia of the esophageal wall.目的探讨食管壁内气管软骨异位症钡餐检查的价值.Objective To discuss the oncogenesis, clinical manifestation and relative treatme...