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Trypanosome Lewis, Fasciola Hepatica - Notes | BIOL 0004, Study notes of Microbiology
Material Type: Notes; Class: Microbiology; Subject: Biological Sciences; University: Sierra College; Term: Spring 2010;
Typology: Study notes
Pre 2010
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Trypanosoma lewisi
- D. Eukarya
- K. Protista
- Ph. Euglenozoa
- Magnification 1000x
- Seen w/ RBCs. Eel like cells. Ea with a dark oval shaped nucleus and a smaller kinetoplast. Single flagellum extends entire length of cell and is attached by an undulating membrane.
Fasciola hepatica
Sheep Liver Fluke
• D. Eukarya
• K. Animalia
• Ph. Platyhelminthes
• Cl. Trematoda
• Magnification
Schistosoma
Blood fluke
- D. Eukarya
- K. Animalia
- Ph. Platyhelminthes
- Cl. Trematoda
- Magnification 40x
- Blood fluke cercariae develop within water snails (Interm. Host) exit snails, swim until they find humans (Def. Host) and burrow thru skin. Adults live in blood vessels.
Taenia pisiformis
Dog Tapeworm
- D. Eukarya
- K. Animalia
- Ph. Platyhelminthes
- Cl. Cestoda
- Magnification 40x
- Tapeworm scolex which
attaches to the gut wall. 4
circular suckers and ring of
outward projecting hooks
are used for attachment.
Trichinella spiralis larvae
Trichinosis
• D. Eukarya
• K. Animalia
• Ph. Aschelminthes
• Magnification 400x
• Encysted larvae in
muscle tissue.
Necator americanus
• D. Eukarya
• K. Animalia
• Ph. Aschelminthes
• Magnification 20x
• Adult male
hookworm. Mouth
contains sharp
cutting teeth.
Dirofilaria
Canine Heart Worm
- D. Eukarya
- K. Animalia
- Ph. Aschelminthes
- Magnified 400x
- Filarial larval stage shown among the RBCs. These are released by the female worms in the dogs heart. Picked up by a mosquito and transferred to a new host.