[Effect of increased natural radioactivity on bone marrow morphology of Microtus oeconomus pall]
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Radiobiologiia
|March 1, 1984
Abstract:
It was established that Microtus oeconomus Pall. living in territories with the increased radiation background exhibit focal myeloid hyperplasia in the bone marrow, changes in the maturation indices of erythroid and myeloid elements, increase in number of karyocytes due to the increase in their mitotic activity. It is suggested that activation of vole haemopoiesis is an adaptive reaction of the organism to the effect of the radioecological factor.
Insights
Small mammals like the root vole (Microtus oeconomus) exposed to higher radiation levels show bone marrow changes. This suggests their blood cell production (hematopoiesis) adapts to environmental radiation.
Area of Science:
- Environmental Science
- Toxicology
- Hematology
Context:
- Studies on wildlife populations in areas with elevated radiation.
- Investigating the biological impacts of radioecological factors on small mammals.
Purpose:
- To determine the effects of increased radiation background on the bone marrow and hematopoietic system of Microtus oeconomus.
- To understand the adaptive mechanisms of vole hematopoiesis in response to radioecological stress.
Summary:
- Microtus oeconomus in high-radiation territories display focal myeloid hyperplasia in bone marrow.
- Alterations in erythroid and myeloid maturation indices and increased karyocytes with higher mitotic activity were observed.
- These changes indicate an adaptive response of vole hematopoiesis to radioecological factors.
Impact:
- Provides insights into the radioecological effects on mammalian hematopoietic systems.
- Highlights the adaptive capacity of wildlife to environmental radiation hazards.
- Informs risk assessment for ecosystems exposed to radioactive contamination.