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.
Switch to new thesaurus. dilatation, distension. physical condition, physiological condition, physiological state - the condition or state of the body or bodily functions. tympanites - distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity. ectasia, ectasis - dilatation or distension of a hollow organ. varicocele - dilatation of the veins associated with the spermatic cord in the testes.