title: Eosinophil granules and cell maturity: electron microscopic observations on guinea-pig marrow.
mesh_terms: D000818:Animals; D001853:Bone Marrow; D001854:Bone Marrow Cells; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D004804:Eosinophils / Q000166:cytology*; D006168:Guinea Pigs; D007962:Leukocytes / Q000166:cytology*; D008854:Microscopy, Electron