Periarteriolar lymphoid sheaths
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.
- Histology image: 07703loa — Histology Learning System at Boston University
- Histology image: 62_06 at the University of Oklahoma Health Sciences Center
- Diagram at okstate.edu
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