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  1. No Access

    Article

    Ultrastructure of spermiogenesis and spermatozoa ofNeopolystoma spratti (Platyhelminthes, Monogenea, Polystomatidae)

    Spermiogenesis inNeopolystoma spratti conforms to the basic pattern found in polyopisthocotylean monogeneans and in Trematoda Digenea and Trematoda Aspidogastrea. The zone of differentiation exhibits a complete r...

    N. A. Watson, K. Rohde in Parasitology Research (1995)

  2. No Access

    Article

    Two new sensory receptors inGyrodactylus sp. (Platyhelminthes, Monogenea, Monopisthocotylea)

    Two pairs of sub-surface ciliary aggregations, not previously described in gyrodactylid monogeneans, have been found in the antero-dorsal region of adultGyrodactylus sp. One pair lies more anteriorly and has seve...

    N. A. Watson, K. Rohde in Parasitology Research (1994)

  3. No Access

    Article

    Ultrastructure of sperm and spermiogenesis ofPterastericola astropectinis (Platyhelminthes, Rhabdocoela, Pterastericolidae)

    During development of the spermatid, two free flagella are transported distally from the main spermatid mass by elongation of the shaft. They rotate back towards the shaft and lie parallel with it prior to fus...

    N. A. Watson, K. Rohde, U. Jondelius in Parasitology Research (1993)

  4. No Access

    Article

    Ultrastructure of sperm and spermatogenesis ofRugogaster hydrolagi, Schell 1973 (Platyhelminthes, Trematoda, Aspidogastrea, Rugogastridae)

    Mature sperm ofRugogaster hydrolagi exhibit the structure typical of Trematoda, with 2 axonemes of the 9+“1” pattern being incorporated into the sperm body, dorsal and ventral microtubules occurring in the princi...

    N. A. Watson, K. Rohde in Parasitology Research (1992)

  5. No Access

    Article

    Ultrastructure of the develo** protonephridial system of the cercaria ofPhilophthalmus sp. (Trematoda, Digenea)

    The fully developed flame bulb ofPhilopthalmus exhibits the structure characteristic of Trematoda and Monogenea: external and internal ribs forming a weir, external and internal leptotriches, and two longitudinal...

    K. Rohde, N. A. Watson in Parasitology Research (1992)

  6. No Access

    Article

    Ultrastructure of pigmented photoreceptors of larvalMulticotyle purvisi (Trematoda, Aspidogastrea)

    The two eyespots of larvalMulticotyle purvisi lie on the posterior of the brain dorsal to the pharynx. Each ocellus consists of one pigment cell and two rhabdomeres, one in the antero-lateral and one in the poste...

    K. Rohde, N. A. Watson in Parasitology Research (1991)

  7. No Access

    Article

    Inflammatory response and antigen localization following immunization with influenza virus ISCOMs

    The inflammatory response, antigen retention, and antigen localization was studied in mice after immunization with influenza virus glycoproteins presented in two physically defined forms-micelles and ISCOMS (i...

    D. L. Watson, K. Lövgren, N. A. Watson, C. Fossum, B. Morein, S. Höglund in Inflammation (1989)