Method 9 cases of cholesteatoma manifested by MRI and CT, among them, 8 cases located ventral side of brain stem, 1 case in left side of brain stem.
方法经磁共振成像（MRI）和计算机体层 摄影（CT）及手术证实的胆脂瘤9例，位于脑干腹侧面8例，脑干左侧1例。
During early proembryo stage, the dorsiventrality appears in the proper of the embryo. On the ventral side, the cells are small with dense cytoplasm and few vacuoles.
原胚初期胚体出现背腹极性，腹面的细胞小，细胞质稠密，液泡较少；
The lower part (20) comprises a ventral side surface (21), a dorsal side surface (22), two lateral side surfaces (23, 24), a lower apposition surface (25) and an upper surface (26).
下面的部分（20）具有一个前侧的侧面（21）、一个背侧的侧面（22）、两个侧向的侧面（23、24）、一个下面的对合表面（25）和一个上面的表面（26）；
Male seahorses are equipped with a brood pouch on their ventral, or front-facing, side.
雄海马腹部(前面)有一个育儿袋。
Cilia on the outer surface of the embryo's underside, an area called the ventral node in mammals, exhibit a characteristic twirling movement that wafts chemical messengers over to the left side.
绒毛位于胚胎的外侧面，在哺乳动物称为腹节，表现出典型的环行运动，将化学物质引导到机体的左侧面。
We shall now examine the ventral plates of this serpent, not the dorsal side.
我们现在来仔细观察这条蛇的腹鳞，不是背面。
We shall now examine the ventral plates of this serpent, not the dorsal side.
我们现在来仔细观察这条蛇的腹鳞，不是背面。
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