An evaluation of frequency and intensity degree of emperipolesis in megakaryocytes of the bone marrow in rats subjected to the hemorrhagic shock was performed. The results were compared with those obtained in the groups of animals undergoing a sham operation and not subjected to any surgical procedure at all. A statistically significant increase was found in the frequency of emperipolesis in the shocked rats compared with the remaining groups. The cytoplasm of megakaryocytes most frequently revealed the occurrence of granulocytes and erythroblasts. However, differences in the frequency of respective hematopoietic cells were not significant.