What is false concerning the urinary bladder anatomy?

A. as it distends, it peels off the peritoneum from the abdominal wall

B. the interureteric ridge is located between the 2 ureteric orifices and the uvula vesicae

C. Waldeyer`s sheath covers only the distal ureter and forms the deep trigone

D. in adults, it is percussible over the abdomen when contains at least 150 ml

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