家鸽小肠绒毛血管丛由输入小动脉，毛细血管网和输出小静脉组成。
The vascular plexus of the pigeon small intestinal villi consisted of afferent mini artery, capillary network and efferent mini vein.
同一肾小球的输入小动脉常大于输出小动脉，但有少数却小于输出小动脉。
The piameter of the afferent arteriole in the same glomerulus was much larger than the efferent (over 90% ), but Only in a few glomeruli it was opposite.
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