posterior fossa

• 后窝

posterior fossa的用法和样例：

例句

1. Gliomas in children, therefore, are most common in the posterior fossa.
   因此，儿童胶质瘤在颅后窝最常见。
2. The irregular posterior fossa mass that is seen here near the midline of the cerebellum and extending into the fourth ventricle above the brainstem is a medulloblastoma.
   不规则颅后窝肿块即髓母细胞瘤，在小脑中线附近并且延伸至脑干之上的第四脑室。