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Aviakosm Ekolog Med. 2011 Sep-Oct;45(5):52-3.

[Dynamics of calcium utilization for skeleton formation in Japanese quail embryos under the microgravity condition].

[Article in Russian]


Tibia and femur osteogenesis was studied in embryonic lower limbs developed in microgravity. The maximal difference in ash content of shell in the flight and control groups was registered on days 4, 10 and 14 amounting to 10.27; 9.56 and 12.95% respectively. Shell analysis for calcium showed the largest difference between the groups on day 4 (8.94 mg). However, this difference was not seen already on days 14 and 16. Hence, according to the results of the investigation, although shell calcium utilization and osteogenesis in flight embryos of the Japanese quail were retarded, by the time of hatching the morphological and chemical parameters of the lower limb bones were essentially same as of the ground controls.

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