invagination的例句（invagination在句子中的用法）

• The internal lamellae originate from an invagination of the inner of double membranes surround the plastid. 片层起源于围着质体双层膜的内膜向内折伸.
• Methods MRI features of 14 cases of basilar invagination were analyzed retrospectively. 方法:回顾性分析14例临床证实的颅底凹陷症的MRI表现.
• Objective To evaluate the diagnostic value of MRI on basilar invagination. 目的:探讨MRI对颅底凹陷症的诊断价值.