• Publications
  • Influence
Patterns of sexual reproduction among parasitic platyhelminths.
  • P. Nollen
  • Biology, Medicine
  • Parasitology
  • 1 April 1983
Previous studies on the spermatogenesis and oogenesis of digeneans, monogeneans and cestodes are reviewed, including those in which isotopic labelling techniques have been utilized in order toExpand
  • 66
  • 2
The Taxonomy and Biology of Philophthalmid Eyeflukes
Publisher Summary This chapter discusses the stages of the life cycle of eyeflukes. Eyeflukes in the genus Philophthalmus are found world-wide and occur in both marine and fresh-water habitats. MostExpand
  • 31
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Life history and identification of Philophthalmus lucipetus from Israel.
A Philophthalmus species whose larval stages have been isolated from Melanopsis praemorsa snails collected in Israel and formerly identified as probably belonging to Philophthalmus palpebrarum hasExpand
  • 16
  • 2
The genetic relationships between Echinostoma caproni, E. paraensei, and E. trivolvis as determined by electrophoresis.
Adults of Echinostoma caproni, E. paraensei, and E. trivolvis were processed for starchgel electrophoresis. Ten enzyme systems representing 12 structural loci were examined using three differentExpand
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  • 1
A scanning electron microscopic investigation of the outer surfaces of Gorgoderina attenuata
Abstract The external surface of Gorgoderina attenuata is characterized by ridges that encircle the worm at regular intervals. On the ridges are protuberances that give a beaded appearance to theExpand
  • 35
  • 1
Mating behaviour of Echinostoma caproni and E. paraensei in concurrent infections in mice.
  • P. Nollen
  • Biology, Medicine
  • Journal of helminthology
  • 1 June 1996
Ten-day-old adults of Echinostoma caproni and E. paraensei, some of which had been exposed to 3-H-tyrosine to label sperm, were transplanted to mice in various combinations. Mating behaviour wasExpand
  • 14
  • 1
A comparison of the adult and miracidial stages of Echinostoma paraensei and E. caproni.
Adult Echinostoma paraensei and Echinostoma caproni were grown in outbred mice and golden hamsters to compare size, growth rates, infectivity, and habitat selection. Antagonistic responses betweenExpand
  • 19
  • 1
The longevity and hatchability of Philophthalmus megalurus and P. gralli miracidia in different environmental conditions.
The effects of salinity, pH, and temperature on the longevity and hatchability of miracidia of Philophthalmus megalurus and P. gralli were determined. Miracidia of both species are able to hatch andExpand
  • 14
  • 1
Viability of a self-fertilizing strain of Philophthalmus megalurus (Trematoda: Digenea).
  • P. Nollen
  • Biology, Medicine
  • The Journal of parasitology
  • 1 December 1971
A self-fertilizing strain of Philophthalmus megalurus was carried through 3 successive life cycles with little or no deleterious effects when compared with cross-fertilizing strains. No significantExpand
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