![]() Syrian hamsters are peculiarly resistant to induction of any respiratory tract neoplasms by inhaled carcinogens, with the exception of cigarette smoke or radioactive particles. Hutt, in Comprehensive Toxicology, 2010 8.10.5.5.3 Syrian hamster The normal gross anatomy for the golden hamster has been described in this section ( Hoffman et al., 1968 Murray, 2012).į.F. Male hamsters can be identified by prominent flank glands and by large testicles that protrude behind the body on each side of the tail. Hamster ears are pointed, with dark pigmentation, and the eyes are small, dark, and bright. Hair-coat colors also include cream, albino, piebald, and cinnamon the length of hair can also vary ( Harkness et al., 2010). Normal coloration is reddish gold, with a grayish-white ventrum. The hamster has a small blunt tail and smooth, short hair. The adult female of this breed tends to be larger than the male. The adult Syrian hamster usually grows to a length of 6–8 inches (14–19 cm) and weighs between 110 and 140 g. ![]() They are nocturnal animals in the laboratory, but field research has shown diurnal activity in females in the wild ( Gattermann et al., 2008 ). ![]() In their native environment, hamsters live in deep tunnels that provide cooler temperatures and higher humidity than the general desert environment. The Syrian or golden hamster ( Mesocricetus auratus) originated in Syria and naturally resides in the arid, temperate regions of southeast Europe and Asia Minor. Claire Hankenson DVM, MS, DACLAM, in Laboratory Animal Medicine (Third Edition), 2015 1 Description
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