SENILE PLAQUES AND OTHER SENILE CHANGES IN THE BRAIN OF AN AGED AMERICAN BLACK BEAR

被引:37
作者
UCHIDA, K
YOSHINO, T
YAMAGUCHI, R
TATEYAMA, S
KIMOTO, Y
NAKAYAMA, H
GOTO, N
机构
[1] Department of VeterinaryPathology, Faculty of Agriculture, Miyazaki University
关键词
AGED BEARS; BETA PROTEIN; SENILE PLAQUES;
D O I
10.1177/030098589503200410
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
A female American black bear (Euarctos ursus americanus) over 20 years old had shown epileptiform neurologic signs starting in March 1992 and was found dead unexpectedly 8 months later. At necropsy, pulmonary and intrabronchial hemorrhage was noted. In the brain, the leptomeninges exhibited slight thickening, and petechiae were evident in the hippocampus. Histopathologic examination of the brain revealed several senile changes: numerous senile plaques, amyloid deposition in cerebromeningeal arterioles, mineral deposition in the pallidum, and numerous corpora amylacea in the cerebellum.
引用
收藏
页码:412 / 414
页数:3
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