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Taenia solium
Svinetintebændelormen (The pork tapeworm)
Zoonotic cestodes II | Order: Cyclophyllidea | Family: Taeniidae
Cysticerci (Cystircercus cellulosae) of T. solium in the heart from a pig. Dimensions: 1.5-1.8 cm, one protoscolex per cyst. Cysticerci normally develop in pigs but may occasionally be found in man (often followed by a clinical disease).
Cysticerci (C. cellulosae) released from infected pork by digestion. Resemble C. bovis but somewhat larger, and the protoscolex is armed with rostellar hooks; the latter is only visible after clearing procedures.
 
Final hosts: Humans get infected by eating raw, undercooked pork containing cysticerci.
Intermediate hosts: Pigs. Occasionally dogs or humans get infected when ingesting eggs from human faeces. Neurocysiticercosis may develop in humans.

OBS: The latest observation in Danish pigs > 60 years ago! Nowadays Danes become infected from eating pork in poor countries.
Location: Adult cestodes in human small intestine. Cysticerci (metacestodes) in porcine striated musculature.
Photo: Christina Thoisen
© Department of Veterinary Disease Biology 2011
Faculty of Life Sciences - University of Copenhagen
Denmark