periarterial lymphoid sheath动脉周围淋巴鞘

[=pediatric advancde life support]高级小儿生命支持,重病小儿生命支持
[=periarterial lymphoid sheath]动脉周淋巴鞘
[=periarteriolar lymphocyte sheaths]微动脉周围淋巴细胞鞘