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The Syrian hamster is one of only few exceptions to this activity. It has been found that the arcuate nucleus, ventromedial nucleus, and dorsomedial nucleus are all involved in the presence of FAA, and that Syrian hamsters in the laboratory do not demonstrate FAA because of the presence of light and the typical light cycles used in experiments.
The golden hamster or Syrian hamster (Mesocricetus auratus) is a rodent belonging to the hamster subfamily, Cricetinae. [2] Their natural geographical range is in an arid region of northern Syria and southern Turkey. Their numbers have been declining in the wild due to a loss of habitat from agriculture and deliberate elimination by humans. [1]
Hamster shows feature an exhibition of the hamsters participating in the judging. [28] The judging of hamsters usually includes a goal of promoting hamsters which conform to natural or established varieties of hamsters. [28] By awarding hamsters which match standard hamster types, hamster shows encourage planned and careful hamster breeding. [28]
A model for creating a chronically ill hamster which will not die from the ulcers is to give naproxen by gavage. [55] When the hamster is chronically ill, it can be used to test anti-ulcer drugs. [55] Syrian hamsters are also widely used in research into alcoholism, by virtue of their large livers, and ability to metabolise high doses. [56]
Mesocricetus is a genus of Old World hamsters, including the Syrian or golden hamster, the first hamster to be introduced as a domestic pet, and still the most popular species of hamster for that purpose. Recent research has shown that, unlike almost all other land mammals studied, all species of this genus lack the capacity for color vision. [2]
Skull of a European hamster Skeleton. The European hamster has brown dorsal fur with white patches. The chest and belly are black. The tail is short and furred. It is much larger than the Syrian (Mesocricetus auratus) or dwarf hamsters (Phodopus sp.), which are commonly kept as pets, and is the largest known species of hamster. It weighs 220 ...
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The hamster has no fully accepted common name, but winter white dwarf hamster and Russian dwarf hamster are among the most often used. Confusion arises because of their physical similarity to Campbell's dwarf hamster ; consequently, the name Djungarian hamster and Russian dwarf can refer to both winter white and Campbell's dwarf hamsters.