Parasitic hyphal polymorphism of
. (a, b, d) Septate and branched hyphae; hyphae forming arthroconidia: spherical, ovoid, triangular, racket shaped, rectangular, and barrel-shaped. (a, b, c, d, e, g, h) Sputum, and (i) lung tissue. 40X. (a, b, c, d, e) staining with the Grocott methenamine silver (GMS) staining protocol, and (f, g, h, i) Periodic acid-Schiff (PAS).