RID30991 external surface of anterior wall of urinary bladder

RID30992 external surface of posterior wall of urinary bladder

RID30993 external surface of lateral wall of urinary bladder 2

RID30996 external surface of fundus of urinary bladder

RID30997 external surface of body of urinary bladder

RID30998 external surface of neck of urinary bladder

RID30999 external surface of trigone of urinary bladder