| A | B |
|---|
| parasite | organism living in or on another |
| host | a living animal affording lodgment to a parasite |
| symbiosis | living together of two dissimilar organisms |
| Acute symptoms of parasite | high fever, inflammation, pain, tenderness |
| chronic symptoms of parasite | gradual weight loss, anemia |
| Most parasites portal of entry | mouth, skin |
| helminths | worms |
| nematodes | roundworms |
| cestodes | tapeworms |
| arthropods | ticks, mites, fleas |
| schistosoma spp. | blood fluke |
| schistosoma in bladder can cause | cancer |
| have exoskeletons | arthropods |
| ticks | round arachnids that insert heads under skin and engorge on blood |
| ticks cause due to blood loss | anemia |
| dermatosis | ticks cause due to salivary secretions |
| ascending tick paralysis | ticks can cause due to neurotoxins |
| lyme disease | ticks cause, 3 stages |
| erythema migrans | round rash at site of tick bite with lyme disease |
| First stage | lyme disease easy to treat with antibiotics if caught when |
| 2nd stage of lyme disease | systemic involvement including nervous system and heart |
| 3rd stage of lyme disease | Involves musculoskeletal system |
| acari | mites |
| fleas life cycle | 3-6wks |
| ticks take in ___ of blood | 8ml |
| Schistosoma is usually passed by | snails |
| Lowest form of life in animal kingdom | protozoans |
| pseudopodia | how amoebas move |
| giardia lamblia | causes dysentery |
| trypanosoma gambiense | causes African sleeping sickness |
| entamoeba histolytica | amoeba |
| plasmodia | causes malaria |
| toxoplasma gondii | passed in feces of cats |
| Most common parasitic worm | nematodes |
| Roundworm gender, which is larger | females |
| enterobius vermicularis | pinworms |
| necator americanus | hookworms |
| trichinella spiralis | causes trichinosis, passed through pork |
| wuchereria bancrofti | causes elephantiasis |
| scolex | head of tapeworm |
| proglottids | body or section of tapeworm |
| tenia solium | pork tapeworm |
| T. saginata | beef tapeworm |
| tegument | outer body layer of fluke |
| mites cause | scabies, mange |
| 850 species | ticks |
| May serve as vectors and also transmit own diseases | arthropods |
| Mites | most abundant of all arthropods |
| Anopheles mosquito | transmit malaria |
| Worms that are not segmented | nematodes |
