Blood Parasites
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Created by:
iridescentsoul27 on February 23, 2012
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29 terms
Terms | Definitions |
|---|---|
 What species is hemoproteus found in? | birds |
| Describe hemoproteus. | found in cytoplasm of RBCs, may mold around nucleus, brown-gold granules (from breakdown hg) |
| What species is anaplasma marginale found in? | cattle |
| What area of the U.S. is anaplasma marginale common in? | south and southwestern U.S. |
| Describe anaplasma marginale. | single/multiple round, deep purple cytoplasmic inclusions on the periphery of RBC |
| Why might anaplasma marginale cause severe anemia? | spleen removes parasite and RBCs w/ it |
| Describe cytauxzoon felis. | blue rings w/ eccentrically located purple nucleus |
| What type of parasite is cytauxzoon felis? | protozoal |
| Where is cytauxzoon felis common in the U.S.? | mid-western |
| What is another name for mycoplasma haemolamae? | eperythrozoon |
| Describe mycoplasma haemolamae. | single/multiple small basophilic coccoid, rod, ring-shaped organisms on their surface |
| What does mycoplasma haemolamae resemble? | hemobartonella |
| What animals does mycoplasma haemolamae effect? | llamas, sheep, pigs, cattle |
| What is babesia transmitted by? | brown dog tick |
| Describe the appearance of babesia. | pear-shaped organisms |
| What does babesia cause? | hemolytic anemia (spleen removes infected cells) |
| On a hematocrit where might you find cells infected with babesia? | just below buffy coat (smear of this aids in detection) |
| What is another name mycoplasma haemocanis? | hemobartonella canis |
| Describe the appearance of mycoplasma haemocanis. | very small coccoid/rod shaped basophilic structures forming chains; causes dimples/creases in cell |
| What is another name for hemobartonella felis? | mycoplasma haemofelis |
| What type of parasite is mycoplasma haemofelis? | rickettsial |
| Describe mycoplasma haemofelis in a RBC. | small blue cocci/rings/rods across RBCs |
| Describe the appearance of dirofilaria. | worm-like structure (microfilaria = immature worms) |
| What types of smears are needed to see dirofilaria? | thick smears, buffy coat smears |
| What is dirofilaria? | heartworm |
| What is plasmodium? | avian malaria |
| What type of parasite is plasmodium? | protozoan |
| What is the vector for plasmodium? | mosquitoes |
| Describe the appearance of plasmodium in relation to a RBC. | distorts RBC and displaces nucleus |
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