Muscle tone. Definition. noun. (1) The muscle in a steady partially contracted state caused by the successive flow of nerve impulses. (2) The amount of tension or resistance to movement in a muscle. Supplement. Muscle tone or tonus helps in maintaining body posture.
Hydronephrosis is the distention of the pelvis and calyces of one or both kidneys, resulting in thinning of the renal tubules because of obstructed urinary flow. When the obstruction is a stone or kink in one of the ureters, only one kidney is damaged.
What does mild hydronephrosis and hydroureter mean? A. Hydronephrosis is a condition in which there is distension of urinary collecting system in the kidney due to blockage of free flow of urine from the kidney.Hydroureter is distension of ureter which is a muscular tube that carries urine from kidney to bladder.Depending on severity of distension, this condition is classified as mild, moderate or severe. There are several causes of this condition-in elderly men, most common cause is prostate enlargement.. Hydronephrosis is a condition in which there is distension of urinary collecting system in the kidney due to blockage of free flow of urine from the kidney.