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冬眠和非冬眠青蛙(虎纹蛙)血液凝固的比较研究。

Comparative studies of blood coagulation in hibernating and non-hibernating frogs (Rana tigrina).

作者信息

Ahmad N, Dube B, Agarwal G P, Dube R K

出版信息

Thromb Haemost. 1979 Oct 31;42(3):959-64.

PMID:505409
Abstract
  1. During hibernation in frogs (Rana tigrina) there occurs prolongation of several clotting tests, viz, whole blood clotting time, plasma recalcification time, cephalin time and prothrombin time. 2. The ambient body temperature of the frog during winter hibernation is low and the retarded blood clotting at lower temperature may play an important protective role against intravascular thrombosis. 3. Shorter plasma recalcification time in low-spun plasma as compared to high-spun plasma indicated the presence of procoagulant activity in platelets/leucocytes of frogs.
摘要
  1. 在虎纹蛙冬眠期间,几种凝血试验会延长,即全血凝血时间、血浆复钙时间、脑磷脂时间和凝血酶原时间。2. 冬季冬眠时青蛙的体表环境温度较低,而在较低温度下血液凝固延迟可能对防止血管内血栓形成起到重要的保护作用。3. 与高速离心血浆相比,低速离心血浆的复钙时间较短,这表明青蛙的血小板/白细胞中存在促凝血活性。

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