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Cytologic evaluation of bone marrow in rats: indications, methods, and normal morphology. | LitMetric
Bone marrow examination is an important part of the evaluation of the hematopoietic system. In pharmaceutical and toxicological research, bone marrow evaluation can help determine the potential hematotoxicity or effects of new compounds on hematopoietic cells. The rat is a common research animal, and bone marrow evaluation often is performed in this species. The goal of this review is to provide clinical pathologists and researchers with an updated overview of bone marrow evaluation in rats as well as practical guidelines for methods and microscopic evaluation. Indications for bone marrow collection in a research setting, methods of collection and smear preparation, and unique morphologic features of rat bone marrow cells are discussed. A summary of published cell differential percentages for bone marrow from healthy rats and possible explanations for discrepancies in these values also are provided.
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