Periarteriolar lymphoid sheaths

（重定向自Periarterial lymphoid sheath）

Periarteriolar lymphoid sheaths (or periarterial lymphatic sheaths, or PALS) are a portion of the white pulp of the spleen. They are populated largely by T cells and surround central arteries within the spleen; the PALS T-cells are presented with blood borne antigens via myeloid dendritic cells.

单词	Periarterial lymphoid sheath
释义	Periarterial lymphoid sheath 英语百科 Periarteriolar lymphoid sheaths （重定向自Periarterial lymphoid sheath） Periarteriolar lymphoid sheaths (or periarterial lymphatic sheaths, or PALS) are a portion of the white pulp of the spleen. They are populated largely by T cells and surround central arteries within the spleen; the PALS T-cells are presented with blood borne antigens via myeloid dendritic cells.
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