目的是观察含神经肽 Y 在扬子鳄泄殖腔壁内的分布情况。
The objective is to observe the distribution of nerves containing neuropeptide Y in cloaca wall of Alligator sinensis.
当今的鸟类学家和爬行动物学家称之为“泄殖腔之吻”。
Modern ornithologists and herpetologists call this a "cloacal kiss."
事实上，存在于羽毛上的病毒可以逃避现在监控策略的检测，这些方法只是是化验泄殖腔和呼吸道分泌的样品。
In fact, virus on feathers could escape detection by the current surveillance strategies which assay the virus secreted in the cloacal and tracheal samples only.
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