sella dorsalis的用法和样例：
例句
- The base of the sella is seen here, above which is the tan-colored pituitary gland.
蝶鞍底位于中间下部，它的上面是灰褐色垂体。 - In approaching the clivus, the floor of the sella turcica may be removed and the bony opening extended downward on the clivus to the inferior margin of the sphenoid sinus.
为到达斜坡，有可能需要切除鞍底，然后将骨窗向下扩大到斜坡直至蝶窦下缘。
