Hemophagocytosis.
D000368:Aged; D001773:Blood Cells; D001853:Bone Marrow / Q000473:pathology / Q000503:physiopathology; D006644:Histiocytes / Q000473:pathology / Q000502:physiology*; D006801:Humans; D008206:Lymphatic Diseases / Q000473:pathology / Q000503:physiopathology*; D008297:Male; D010587:Phagocytosis; D010781:Photography