Lesson 12 Flashcards
Eukaryotes
Vector
organism that transmits pathogens between organisms
Biological and mechanical
Host
cells/organism who harbors smaller microbes/organisms
Reservoir
one or more connected populations acting as storage for a pathogenic organism
Trophozoites
feeding and growth life stage of protozoans
Cyst stage
stage in protozoan life
dormancy
have protective cell wall/encystment
What genus and species causes ameobic dysentery?
Entamoeba histolytica
Hemoflagellates
sub group of flagellates
transmitted by arthropods to human blood
What causes Chagas disease?
Trypanosoma cruzi
hemoflagellate
kissing bug
What causes African sleeping sickness?
Trypanosoma brucei
Hemoflagellate
tsetse fly
Apicomplexans
intra or extracellular parasites
have an apical complex at one end of cell
Ex. Plasmodium spp.
complex lifestyle - merozoites and trophozoites
Malaria lifecycle
- sporozoites in salivary glands of mosquitos
- Migrate to liver in humans through bite - asexual reproduction
- Plasmodium transform from reophozoites to merozoites in blood
- Merozoites infect red blood cells
- Mosquito bites human and receives gameotocytes in the blood it consumes
- Sexual stage occurs in mosquitos
Malaria hosts
Intermediate - human
Definite - mosquito
Cell membrane component both humans and fungi share
sterols
Mycoses
illness caused by fungi
Candida albicans
Thrush/cabdudiasis
Vaginal yeast infections
Fungi
