Subject emotionality and susceptibility to environmental stress.
D000311:Adrenal Glands / Q000502:physiology; D000818:Animals; D001522:Behavior, Animal; D001835:Body Weight; D004777:Environment; D008297:Male; D051381:Rats; D013276:Stomach Ulcer / Q000503:physiopathology; D013312:Stress, Physiological