TREMATODES Flashcards
Trematodes general characteristics
Unsegmented
Gut: Blind sac
Leaf like cylindrical
Hermaphroditic
Oviparous
DIVERSITY OF TREMATODES THAT IS LEAST WELL KNOWN AND HAS SINGLE HOST THAT IS USUALLY A MOLLUSK
Aspidogastrea
Diversity of trematodes that is largest and most well known
DIGENEA
Diversity of trematodes that lives under marine fresh water and terrestrial Habitats
Turbellaria
Acronym for the typical TREMATODES life cycle
EMSRCMS
Free swimming larva, hatches out from its shell
Miracidium
Sac-like form; several embryos develop
asexually to become rediae
Sporocyst:
Embryo; Pharynx and gut
Rediae
develop within the redia; emerges from the
snail; possess tail for swimming; considered as juveniles
Cercariae
Infective stage (definitive host); encysted
stage
Metacercariae
usually bears the encysted metacercaria
Second IH
bilharziasis, Snail fever) is a disease caused by the Schistosoma
Schistosomiasis
Liver fluke
Clonorchis sinensis
Ano itsura ng Clonorchis sinesis
Pink na mahaba
Infective stage of Clonorchis sinesis
Metacercaria
diagnostic stage ofClonorchis siinesis
Uembroyenated egg
Intermediate host of Clonorchis sinesis
SNAIL
Definitive host of Clonorchis sinesis
Bilary duct of humans
Lung Fluke
Paragonimus westermani
Ano itsura ng Paragonimus Westermani
Kulay Orange or dark orange
Infective stage of Paragonimus Westermani
Cercariae
Diagnostic stage of paragonimus Westermani
Egg
Intermediate host of paragonimus westermani
Snail ,crab
Definitive host of Paragonimus westermani
Human,Pigs and rodent
