Fig. 4From: Scanning electron microscopic observation of the in vitro cultured protozoan, Perkinsus olseni, isolated from the Manila clam, Ruditapes philippinarumScanning electron micrograph showing the deflagellation of P. olseni zoospores. a. Deflagellation of the anterior flagellum and the remaining posterior flagellum (PF); scale bar = 2.5 μm. b. The vestige of deflagellation (arrowhead) and the remaining posterior flagellum (PF); scale bar = 0.5 μmBack to article page