apex prostatae的用法和样例：
例句
- Active continence is achieved by voluntary contraction of the levator ani musculature, which surrounds the apex of the prostate and membranous urethra.
前列腺尖部和膜部周围的提肛肌的主动收缩可以导致主动性控尿。 - Rather, the external striated sphincter is more tubular and has broad attachments oer the fascia of the prostate near the apex.
事实上，外括约肌更是管状，在前列腺尖部附近同前列腺包膜有广泛的附着。
