A histological section of the spleen stained with H&E. In the centre, a large purple sphere of many, many cells - this is the white pulp. Outside, there are pale pink connective tissue strands and many, many red cells and nucleated cells. This is the red pulp. At the top of the white pulp is a small arteriole and a layer of cells - this is the peri-arteriolar lymphoid sheath, or PALS. There is a photo of the author in this area. Hence, me hanging with my PALS. It's a hilarious histology joke but very niche.
Just me and my PALS
#HistoJoke #Spleen
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