Trichinella spiralis

Trichinella spiralis (Owen, 1835) Railliet, 1896 (Figures 4-64 through 4-66)   ETYMOLOGY:Trichinella = hair like and spiralis for the spiral nature of the larval stage SYNONYMS:Trichinaspiralis Owen, 1835 HISTORY: The worm was first recovered at necropsy from the tissues of … Continue reading

Trichuris felis

Trichurisfelis (Diesing, 1851) Diaz-Ungria, 1963) ETYMOLOGY: The genus name Trichuris, which may be translated as “hair tail,” is actually a misnomer. A more appropriate name is Trichocephalus or Trichocephalos (“hair head”), nomenclature that is employed in Russia and in certain … Continue reading

Anatrichosoma species

Anatrichosoma species (Figure 4-63) This genus of rarely encountered, capillarid-like worms was first discovered in the skin and nasal mucosa of monkeys in Asia and Africa and was named Trichosomacutaneum by Swift, Boots, and Miller (1922). The genus Anatrichosoma was … Continue reading

Calodium hepaticum

Calodium hepaticum (Bancroft, 1893) Moravec, 1982 (Figures 4-61 through 4-62) Callodiumhepaticum is better known by its synonym Capillariahepatica. This parasite lives within the parenchyma of the liver of rodents. The female worm deposits eggs in the liver where they remain … Continue reading