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.
They are usually the same catheter. Intermittent catheterization of the bladder means that a catheter is manually inserted, urine drained and then removed in a short time spanâ¦ usually lasting a few minutes. Indwelling catheter refers to when the catheter is left in place for days, weeks, months or even permanently.