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    The chordae tendineae of the heart in chicken
    (Blackwell Verlag Gmbh, 2004) Yildiz, D; Cavusoglu, K
    In this study, the chordae tendineae of 10 adult chickens have been investigated by means of scanning electron microscopy (SEM). It has been observed that the diameter of the collagen fibrils on the left side of the heart was greater than those on the right side. The present study has determined that only perichordal and interchordal ligaments are present in the chicken. It was also observed that axial tendons were surrounded by perichordal membrane. Although no difference was evident among the apex of the chordae, differences were observed between the base and apex of the same chordae.
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    A scanning electron microscope examination of Heligmosomum costellatum
    (Scientific Technical Research Council Turkey, 2004) Yildiz, K; Cavusoglu, K
    The morphology of Heligmosomum costellatum, a nematode of field mice (Microtus epiraticus), was described by scanning electron microscope. The scanning electron microscopic view of this nematode revealed that the anterior end was surrounded by 2 cephalic vesicles. The 2 copulatory spicules of the male were enveloped in membrane and the male bursa was large. The female posterior end was characterized by a caudal spine. The body of this parasite had transverse ridges.
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    A scanning electron microscope examination of Pomphorhynchus laevis
    (Scientific Technical Research Council Turkey, 2003) Yildiz, K; Cavusoglu, K
    Pomphorhynchus laevis is an acanthocephala which lives in the intestines of fish. These acanthocephala are characterised by a cylindrical proboscis, and an extremely long neck with a bulbous anterior expansion. In this study, the surface structures of P. laevis were examined with a scanning electron microscope. On the proboscis of this parasite 18 hook rows, each consisting of 12 hooks, were observed. The anterior hooks were smaller than the posterior hooks of the proboscis. The recurved hooks were within pockets on the proboscis. The presoma structure was porous and there were no pores on the hooks. The metasoma structure was also porous. Numerous cuticular wrinkles were observed on the metasoma.