These are terms used to describe on ultrasound exam ......meaning that the lining of the uterus called endometrium is giving a marked shadow on ultrasound test and should be evaluated further and intact means that there is no discontinuity in the lining.
Function of kidney is to produce urine that of ureter is to convey it to bladder and the bladder functions as a storage house and the urethra acts as a passage when urine is to be voided by the bladder.