protozoa Flashcards
what are the structure of protozoa?
only visible in microscope, uncellular eukarotes,
siliceous skeletons
locomotor:pseudopodia, cilia, flagella
food: holozoic, authotrophic
what are the reproduction of protozoa?
asexual, both asexual and sexual.
MOST COMMON SORT BINARY FISSION
How does protozoa reproduct?
life cycle requries 1 or 2 different host spieces
what are the life stages of protozoa?
Trophozoite - active feeding
Merozoite - sexual/asexual
Multiplication -
NOT FINISH!!
What is the biology of sarcodina?
no define body shape, amoeboid form, free living or parasite
how do sarcodina move?
developing temporary projections, PSEUDOPODIA
food of sarcodina?
holozoic or parasitic
What is amoeba Entamoeba histolytica,phyllum
?
phyllym sarcodina.
common in humans, presented in the lumen of the colon.
how to entamoeba histalytica effect people?
can travel in the blood to the liver and other organs and causes absess
how are enamoeba histalytica infect people?
spreed though water and food that contains cysts
what is the life cycle of enamoeba histalytica?
cyst being ingested
whitin the instestine cyst produces trohozoites cause amebic dysentery in colon . spreed to liver and lung, brain,
spreed with feeces entering enviroment
what is general dicription of Mastigophora?
bloodflagellates, elongated body, single large nucleus, one or 2 flagella. unicellular, freeliving or parasites in varrious hosts.
binary fission
transmitted by sandflyes
sleepingsickness
What disease do Trypanosomes cuase?
african sleeping sicknes and chargas disease
headace,fever.deats
which phyllum do Trypanosomes belongs to?
Mastigophora
-elinged body, singdle large nucleous, on or two flagella, binaryfission
life cycle of Trypanosoma BRUCEI gambiense
*Infected tsetse fly bites person
*protozoa moves to lymphatic system and bloodstream
*change forms and travle to organs ans tissues, lympg and spinal fluid
*protoxoa multiple in bloodstream
* fly ingest protozoa when bite infected person
* inside fly - protozoa change form and multilpy
*protozoa travel to fly salvaryglands, multiply and change into trypomastigotrd . that form that inject person
whats is Chagas disease?
life treathning causes by parasite tryptosoma cruzi, tranfered whitin feces of biting insects at night, (kissing bugs), trought food, blodtransfusions,
Symtoms 1-2 weeks after fever
Could enlagre liver and speen
Causes: heart damage,
most common protozoas in Mastigophora?
*Trypnasoma brucei gambriense
*Trypnasomoa cruzi
* Leishmania
What is Trupnasomatids?
group of kinteoplastid protozoa,
*have one flegelum,
*found in insektsts
host: 1 or 2
caus madjor harm to human sleeping desease
how trypanosoma cruzi infect?
transmission due to triatoma infestans deposit feces in the skin surface and bite.
how is Leishmania transmitted?
by sandflies
lifecycle of Leishmania?
fatal. big liver and spleen.
1. sandflies take blood meal.
2.Promastigotes rapedly change to amastigotes after phagocytosis by macropgaes or monocytes, then multifies, filling cytoplasm
3,infected cell burst, realeases phagocytosed parasites
what sickness do Leishmana make?
fever, weight lss, splen and liver enlargement. if not treathed=death.
whats is sporoza?
endoparasite, lack motor structure,
body: tough covering cuticle and singel nucelous.
repr.: binary fission and asexual MOST IMPORTANT PHYLUM
What is Coccidiida?
cause severe desease in lifestock,
symthom severe diarrhera or dysentery.
* fatal in young foals
*
