Band form description

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Band form An early or late trophozoite form that is very elongated and extends close to, or entirely across, the diameter of the erythocyte. The form is frequent in P.malariae and P.knowlesi infections and can support the identification of either species - although other features must fit. Rarely, forms resembling a band may occur in other species. Band forms in P.malariae The image sequence shows developing elongated forms and a fully formed band in P.malariae. Band appearances in other species: A B Partial band trophozoites seen in P.knowlesi where such forms are relatively frequent (A). Also a rather broad and solid band in P.ovale (note the James's dots in the cytoplasm) (B).