Response variability and rigidity in the adult chimpanzee.
D000064:Acclimatization; D000222:Adaptation, Physiological; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D000818:Animals; D006801:Humans; D009127:Muscle Rigidity; D002679:Pan troglodytes
ADAPTATION, PHYSIOLOGICAL/in old age; AGING/physiology