Sentence:  Although in both emotions sympathetic symptoms are present , different autonomic somatic patterns underlie aggression and <WSD>anxiety</WSD> , respectively , as indicated by the rate of the excretion of the catecholamines , the state of the muscle tone , and the Mecholyl test . 
Meaning of the word marked with <WSD> tags:  (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic