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2P-filariads - Platyhelminthes Trematodes Nematodes...

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Platyhelminthes: Trematodes: Nematodes: Filariads, the rest, and thorny headed worms Parasite aka distribution inter infec defin host defin infec life cycle eggs morphology microfilaria Humans Dracunculus medinensis largest nematode cystacanth inter host/ vector Wuchereria bancrofti Brugia malayi 90% lymphatic cases W. bancrofti 1:worldwide 2:Asia(not africa or new world arthropod/mo squitos(anop helin and culicine sp) J3 (salivarian from female mosquito) ovoviviparous :produce microfilaria(ad vanced embryo) adults:5-8 yrsz Mf: 1.5 yrs guinea worm, fiery serpant, med symbol after this (Cadueceus, staff of Aesculapius) mid east and africa(12 countries) set to be 2nd disease eradicated copepod (cyclops sp) host niche: sub Q tissue only copepod solely transmitted by drinking H2O ovoviviparous . H20-J1-cop eaten-J3- 2molts-adult 1)Macracanthorhynchus hirudinaceus 2)Moniliformis moniliformis 1)beetle 2)cockroach acanthor(ebr yo stage in egg) for beetle pig, man(usu accidental bc we don’t eat lizards, beetles) acanthor->acanthella-
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