Macroanatomic and Morphometric Analysis of the Brown Bear (Ursus arctos horribilis) Mandible
نویسندگان
چکیده
منابع مشابه
Physiology of the European brown bear (Ursus arctos arctos)
Although the American black (Ursus americanus) and American brown (grizzly) (Ursus arctos horribilis) bears have been the subjects of intensive physiological research, very little so far, has been done to understand the physiology of the European brown bear (Ursus arctos arctos). In our laboratory the research on the physiology of European brown bears started 10 years ago. Between 1987 and 1997...
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The cave bear, Ursus spelaeus, represents one of the most frequently found paleontological remains from the Pleistocene in Europe. The species has always been confined to Europe and was contemporary with the brown bear, Ursus arctos. Relationships between the cave bear and the two lineages of brown bears defined in Europe, as well as the origins of the two species, remain controversial, mainly ...
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BACKGROUND Information on hemostasis and platelet function in brown bear (Ursus arctos) is of importance for understanding the physiological, protective changes during hibernation. OBJECTIVE The study objective was to document platelet activity values in brown bears shortly after leaving the den and compare them to platelet function in healthy humans. METHODS Blood was drawn from immobilize...
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A congenital heart malformation was diagnosed in a free-ranging adult female European brown bear (Ursus arctos) found dead due to intraspecific violence. At necropsy, the heart had all four features of Fallot's tetralogy. No further malformations were identified in the animal, which was of normal size and weight for its age, in normal body condition, and had probably borne young. The heart cond...
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Humeral chondrosarcoma was found in an 18-year-old male Hokkaido brown bear (Ursus arctos yesoensis). Necropsy revealed a large firm mass under the left superficial pectoral muscle at the axillary region. The mass involved the left shoulder joint and peripheral muscles, and connected to the head of the humerus with osteolysis. Histopathologically, the mass was composed of irregularly shaped myx...
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ژورنال
عنوان ژورنال: International Journal of Morphology
سال: 2021
ISSN: 0717-9502
DOI: 10.4067/s0717-95022021000200587