Large siphonophore having a bladder like float and stinging tentacles.

大型管水母，由气泡状浮漂和刺状触须。

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Tylose a bladder like ingrowth from a parenchyma cell into an adjacent tracheid or vessel through a paired pit.

薄壁细胞向内生长的泡状物通过纹孔伸入相邻的管胞或导管形成的结构。

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The sky, swollen like a black bladder, rumbled and crackled.

天空胀得像个黑色的气囊，发出隆隆声和劈啪声。

《柯林斯英汉双解大词典》

"This is not like doing a gall bladder or appendix operation, " says Dr. Harvey J.

FORBES: Magazine Article

Today researchers are building force feedback surgical instruments for use in simulating--and eventually performing--minimally invasive surgical procedures like angioplasty or laparoscopic gall bladder removals.

FORBES: Desktop fingerprints

Does it ever feel like you haven't completely emptied your bladder?

CNN: Prostate gland enlargement