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Muellerius capilaris

Muellerius capilaris

Muellerius capilaris

Taxonomy

  • Kingdom Animalia
  • Phylum Nematoda
  • Class Secernentea
  • Order Strongylida
  • Superfamily Metastrongyloidea
  • Family Protostrongylidae
  • Genus Muellerius

Final host

  • Sheep, goat, deer, wild ruminants

    Morphology

  • Adults: slender, hair-like worms (≈ 1-2.5 cm long) deeply embedded in lung tissue
  • The posterior end of the male is spirally coiled and the bursa is very small and folded inwards
  • L1 (≈ 290-322 µm) has a S-shaped wavy tail and a small dorsal spine adjacent to the tip

    Cycle

  • Indirec with a terrestrian molluscan as intermediate host (Cernuella, Helicella, Cochlicella)
  • With larval migration via lymph and blood to the lungs

    Location

  • Bronchioles and alveoluses

    Feeding

  • Bronchoalveolar content

    Diagnostic

  • L1

    Transmission

  • L3 within the mollusc