clin path lab parasites

  1. the study of parasites. parasites are different organisms that live in animals, feeding on tissues or body fluids or competing directly for the animals food.
  2. soft, well formed, watery (diarrhea) or very hard
    consistency of feces
  3. present or not present
    blood, mucous, parasites should be recorded as ...
  4. within 8 hours. keep refrigerated. old samples, parasites can become distorted or unrecognizable or hatch out in warm weather
    age of feces
  5. direct smear
    inaccurate because its a small amount, used for IDing Giardia, Coccidia and detecting protozoans
  6. higher specific gravity than water
    parasite eggs are too heavy to float in water, to make the eggs float you must use a liquid that has a...
  7. No Eggs Observed (NEO)
    when no parasite eggs are seen record as...
  8. dry and crystalize
    fecal solution will.... if coverslip is left on too long
  9. giardia and protozoans
    centrifugation is good for recovering...
  10. larger amount of fecal
    good at recovering eggs in general
    excellent for giardia and coccidia
    sedimentation advantages
  11. lives in small intestine of dogs only. have a thick, ruffled edge shells. black nucleus in fresh stool.
    Toxocara canis...roundworm...nematode
  12. lives in small intestine in cats only. also have thick, ruffled edge shells. black nucleus in fresh stool.
    Toxocara cati...roundworm...nematode
  13. lives in the small intestine of both cats and dogs. the adult is large, yellow white worm. looks like spaghetti. normally seen in young animals only. smooth shell with single central nucleus.
    Toxascaris leonina...roundworm...nematode
  14. means can occur in more than one species
  15. found in both cats and dogs of small intestine. they attach themselves and suck blood. the egg contents are divided into 2-8 cells and surrounded by a thin smooth shell
    Ancylostoma spp....hookworm...nematode
  16. hookworm of cats and dogs that is usually seen in colder climate regions. the egg is slightly longer than Ancylostoma spp.
    Uncinaria stenocephala...hookwork...nematode
  17. The whipworm of dogs. Lives in the large intestine and cecum. They are football shaped and have two bipolar plugs. The shell is yellowish brown and smooth, and the contents are brown. HEAVY eggs. can cause mucus in stool. LONG LIFE CYCLE
    Trichuris vulpis...whipworm...nematode
  18. Trichuris suis...whipworm...nematode
    The whipworm of swine, has eggs similar in shape and only slightly smaller than those of Trichuris vulpis
  19. Trichuris campanula, Trichuris serrata
    Whipworm of cats, very rare
  20. Dipylidium caninum...tapeworms...cestodes
    This is the flea tapeworm of dogs and cats. The eggs are found in packets containing 1-30 eggs. Flea is the intermediate host
  21. Taenia spp...tapeworms...cestodes
    tapeworm of dogs and cats transmitted by rodents. Small brown eggs which contain three pairs of hooks and surrounded by a shelf in which many lines can be seen
  22. Gravid proglottids (individual segment) can be put on slide and smashed with saline and coverslip to identify species of tapeworm
    used to determine what type of tapeworm
  23. Echinococcus granulosus, Echinococcus multilocularis
    two types of cestodes, tapeworms
  24. hydatid cyst tapeworm now rarely seen in dogs, foxes and cats
    Echinococcus granulosus
  25. Cat, fox and other canids are the definitive host. Rodent is the intermediate host. Adults of E. multilocularis are smaller than E. granulosus. Eggs are 40 microns in diameter
    Echinococcus multilocularis...tapeworms...cestodes
  26. Has an operculum and yellowish brown and filled with undeveloped contents. Uncommon in the USA, seen in dogs and cats
    Diphyllobothrium latum...tapeworm...cestodes
  27. the tapeworm of dogs, cats and foxes that is rarely seen
    Mesocestoides variabilis...tapeworm...cestodes
  28. coccidia of dog and cat. These are single organisms that live in the small intestine. in fresh stool the oocysts appear as a single, undivided sphere. oocysts containing two small spheres may be seen also
    Isospora spp...coccidia...protozoa
  29. coccidia seen in dogs, cats, pigs and sheep. most commonly seen in the pig and sheep
  30. coccidia of cats only. is very similar in appearance to Isospora spp
    Toxoplasma gondii...coccidia...protozoa
  31. coccidia
    can cause birth defects with pregnant women
  32. it is a protozoan seen in dogs and cats which lives in the small intestine. will cause diarrhea in dogs mainly. best way to identify giardia is with a direct smear or by the centrifugal flotation method. they are very small and must use 40x to identify them. they will fluoresce a blue green metallic color. looks like they have two pear shaped eyes. WHEN ANIMALS DRINK STANDING WATER. HUMANS GET THIS TOO
    Giardia spp...protozoa
  33. seen in avian species. lives in their crop. oval shape, stains blue with a red center
    Trichomonas spp...protozoa
  34. heartworm, transmitted by mosquitos, straight tail and and cranial end tapers to a point. coil and uncoil on the slide
    Dirofilaria immitis
  35. fake heartworm, transmitted by the flea, live in subcutaneous tissue, blunt cranial end and hooked tail. snake like movement on the slide
    Acanthocheilonema reconditum
  36. antigen test
    testing for proteins produced by the adult heartworms. for dogs
  37. antibody test
    antibody test that detects the host's antibody response to the adult heartworms
  38. Ctenocephalides canis
    dog flea
  39. Ctenocephalides felis
    dog and cat flea
  40. Dermacentor spp.
    Rhipicephalus sanguineus
  41. Otodectes cynotis
    ear mites
  42. Demodex, Sarcoptes scabiei, Psoroptes spp, Notoedres cati, Cheyletiella spp
    mange mites
Card Set
clin path lab parasites
clin path lab parasites