Parasitology

Feline Cytauxzoonosis: Cytauxzoon Schizont in Bone Marrow

Microscopic image of feline cytauxzoonosis (Cytauxzoon felis): mature schizont in a mononuclear phagocyte of the bone marrow and merozoite release.

Cat bone marrow smear: mature Cytauxzoon schizont in a phagocyte
Cat bone marrow smear: mature Cytauxzoon schizont in a phagocyte

🐈 Cytauxzoonosis (Cytauxzoon). A mature schizont from a cat’s bone marrow parasitizes a mononuclear phagocyte. 🔬 Small merozoites (about 1 µm) are visible along the edge of the image (indicated by an arrow), which will infect erythrocytes after emerging from the ruptured schizont.

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