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A soft-furred, clawed New World monkey found in South and Central America. With a lifespan of 5 to 7 years and a maximum lifespan of 16½ years, marmosets are the shortest-lived anthropoid primates. They display age-related pathologies that mirror those of humans, to wit, cancer, amyloidosis, diabetes, and chronic renal disease and have predictable age-related changes in lean body mass, calf circumference, albumin, haemoglobin, and hematocrit.
Neuropathology Spontaneous sensory and neurodegenerative change—e.g., reduced neurogenesis, beta-amyloid deposition in the cerebral cortex, loss of calbindin D28k binding, and presbycusis—appear at ages 7 to 10.
Binomial name Callithrix jacchus
Reference SD Tardif, et al, ILAR Journal Volume 52, Number 1, 2011, pp 54-65