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.
ureter. the fibromuscular tube through which the urine passes from the kidney to the bladder. ectopic ureter. an abnormally placed opening of the ureter, either into the urinary bladder or at another site in the lower urinary or genital tract. There is usually constant dribbling of urine and commonly an associated pyuria.he fibromuscular tube through which the urine passes from the kidney to the bladder. ectopic ureter. an abnormally placed opening of the ureter, either into the urinary bladder or at another site in the lower urinary or genital tract.