Developmental surface ultrastructure of Macroorchis spinulosus in albino rats
Hong, S.J.;Kwon, O.S.(Chung-Ang University, Seoul, Republic of Korea)E-mail:hongsj@cau.ac.kr | Woo, H.C.(Cheju National University, Cheju, Republic of Korea)
Developmental surface ultrastructure of Macroorchis spinulosus was studied by scanning electron microscopy. One-day-old juvenile fluke was leaf-shaped and bent ventrally. Body surface was covered densely with peg-like spines and with cobblestone-like cytoplasmic processes. Ciliated sensory papillae were concentrated around oral sucker. Several unciliated sensory papillae occurred equidistantly on oral sucker and acetabulum. The ciliated papillae appeared in two longitudinal lines symmetric bilaterally on dorsal surface. On adult flukes, tegumantal spines became wider in middle of the body surface. The cytoplasmic processes differentiated into more fine velvety form.
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