growth/size/body
• grows more slowly and are still stunted at 1 year of age
|
• at 45 to 62 weeks of age showed a more eccentric lobular orientation
|
homeostasis/metabolism
hypoglycemia
(
J:163795
)
• significantly increased proliferation of hepatocytes in both young and older mice
|
reproductive system
• decreased numbers of tail structures within tubular lumina and an absence of normal spermatozoa in the epididymis
|
liver/biliary system
• bile staining of Kupffer cells
|
• in older mice,45-62 weeks old, degenerating hepatocytes are greatly enlarged, pale, and rounded
|
• at 45 to 62 weeks of age showed a more eccentric lobular orientation
|
• occasional periportal infiltrates of lymphocytes with smaller numbers of histiocytes and granulocytes
|
• diffuse, moderate to prominent, enlargement of centrilobular hepatocytes at 20 weeks of age
• an increased amounts of coarsely variegated cytoplasm with clumps and stripes of basophilic material juxtaposed with areas of pale vacuolated or typical eosinophilic cytoplasm
|
• Oval cell proliferation is more prominent in older mice
|
immune system
• bile staining of Kupffer cells
|
• occasional periportal infiltrates of lymphocytes with smaller numbers of histiocytes and granulocytes
|
cardiovascular system
• bile staining of Kupffer cells
|
hematopoietic system
• bile staining of Kupffer cells
|
neoplasm
cellular
• decreased numbers of tail structures within tubular lumina and an absence of normal spermatozoa in the epididymis
|
• in older mice,45-62 weeks old, degenerating hepatocytes are greatly enlarged, pale, and rounded
|