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|Title:||Transformation of monocytes into amoeboid microglia and into microglia in the corpus callosum of postnatal rats, as shown by labelling monocytes by carbon particles|
|Source:||Ling, E.A. (1979). Transformation of monocytes into amoeboid microglia and into microglia in the corpus callosum of postnatal rats, as shown by labelling monocytes by carbon particles. Journal of Anatomy 128 (4) : 847-858. ScholarBank@NUS Repository.|
|Abstract:||Two successive intravenous doses of carbon suspension were given at 24 hourly intervals into six days old rats. These animals were killed at intervals ranging from 1 to 9 days after the second injection. The corpus callosum and neighbouring structures were examined for cells containing ingested colloidal carbon particles in their cytoplasm. Twenty four hours after the second injection, a variable number of carbon-labelled monocytes were adherent to the luminal wall of blood vessels in the corpus callosum. Numerous carbon-labelled cells appeared to have left the lumen and entered the brain tissue surrounding the vessels. These perivascular carbon-labelled monocytes in the neuropil displayed a large pale nucleus with fine chromatin granules. The phagocytic amoeboid microglia in the corpus callosum were unlabelled at first, although a few cells of a similar nature in the cavum septi pellucidi did show carbon particles in their cytoplasm. Four or five days after the second carbon injection perivascular carbon-labelled monocytes were rare, but carbon particles were now present in the amoeboid microglia. At 8 days amoeboid microglia were virtually absent from the corpus callosum but carbon particles now appeared in cells which closely resembled microglia (flattened nucleus, coarse chromatin, scanty cytoplasm at one pole).|
|Source Title:||Journal of Anatomy|
|Appears in Collections:||Staff Publications|
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