An instrument for examining visually the interior of a bodily canal or a hollow organ such as the colon, bladder, or stomach.
内窥镜, 内视镜一种目测检查身体通道或中空器官, 如结肠、膀胱或胃的内部的仪器
Inflammation of the urinary bladder.
膀胱炎泌尿膀胱的发炎
The bladder collects urine.
膀胱能储存尿液。