mice bearing a localized tumour that produced psf ( wehi-3b ) , but not those bearing a non-producing subline , showed both a significant increase in p cell precursors in the spleen and bone marrow , and a marked increase in the numbers of mast cells , megakaryocytes , metamyelocytes and polymorphs in the spleen .
C0005953
bone marrow
C0229635
metamyelocytes