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(A) White Point filament, stained with FITC, showing large internal vacuoles. Bar, 20 μm. (B) White Point filaments hybridized with White Point filament-specific probe WPF464 in 20% formamide. Bar, 50 μm. (C) Light micrograph of large White Point filament. Bar, 50 μm. (D) Light micrograph of White Point filaments forming a rosette. Bar, 40 μm.
