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本文报道的是显微镜下所见到的一例肾脏出球小动脉再次形成血管球的变异现象.材料和方法:家兔麻醉后用墨汁明胶注射液经肾动脉注入肾内,石蜡假包埋切片厚40μm,树胶封固.显微镜下观察,可清楚见到肾小叶间动脉→入球小动脉→血管球→出球小动脉→血管球→出球小动脉→球后毛细血管网的血管走向(附图).在正常情况下血管走向为肾小叶间动脉→入球小动脉→血管球→出球小动脉→球后毛细血管网.显然,出球小动脉再次形成的血管球是一种血管变异现象,同时这也意味着伴有与此相应的另一个肾单位形成.
This article reports the microscopic appearance of a small ball of renal aortic arteries again forming the phenomenon of variation of blood vessels.Materials and Methods: Rabbit anesthesia with ink gelatin injection by the renal artery into the kidney, paraffin embedded sections of false thickness 40μm, gum seal.Observation under the microscope, you can clearly see the inter-articular artery → small artery into the → glomerular → arteriolar → arteriolar → arteriolar → ball capillary network after the blood vessels In normal circumstances, the blood vessel is in the direction of the intercoronary artery → the arterioles → the blood vessel → the arterioles → the posterior capillaries. Obviously, the re-forming of the arterioles of the aorta is a vascular variation Phenomenon, at the same time it also means accompanied by the formation of another nephron corresponding to this phenomenon.