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发帖数: 61 | 2 来自主题: MedicalCareer版 - NBME yes. answer is B.
the congenital bronchial cysts are caused by dialtion of bronchi and may be
solitary or multiple, filled with air or fluid, multiple cysts demonstrate a
honeycomb appearance on x-rays.
Portion fo forgut involvled in repiratory development. Ventral wall of the
primitive foregut during week 4 ---> laryndogracheal diverticulum ---->lung
bud ----> two bronhical buds ---> primary bronchi in week5. ( from BRS p140-
141). |
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