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Trophozoite : is vegetative form of a protozoan <<<<<<<<<<<< or feeding form of protozoan
Pseudopodia : cytoplasmic extension produced by amoeba during locomotion .
Undulating membrane : a highly modified flagellum produced by some protozoa .
Vector : is an agent usually an insect that transmition infection from one human host to other .
Direct life cycle : term use to describe parasite that need one host to complete the life cycle.
Indirect life cycle : term use to describe parasite that need two host to complete the life cycle.
Acto parasite :external parasite that live in the surface of skin <<or outside the host.
Endo parasite :is parasite living inside the host.
Decorticated egg : this term use to describe an egg that has no albuminous coat .
Rabidity form : is first stage larvae that hatches from the egg , it is feed in soil .
Flare form larva : infective stage , non feeding .

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Swimmer itch : it is irritation and skin rach occur when schistsoma penetrate human skin.
Katyma syndrome : is occur when schistosoma penetrate the human bladder ,associated with protein urea and haematouria .
Cysticercus (bladder worm) : is larval stage found in intermediate host infect human , it consist of small fluoride bladder containing a single invigilated head .
Oncosphere : is term use to describe an embryo with six hook lets .
Malaria : mean bad air or bad environment.
Accole shape : it is shape formed by some ring form when lie along the edge of RBCS mainly seen with P. falciparum .
Hypnozoite : some of trophozoite of P.vivax and P.ovale after invading liver cell delay their development in to pre erethrocytic schizogony and become dormant , become active later and causing relapses .
Ring form : young trophozoite are concave disk which appear ring shape because the ring of cytoplasm stain but the central food vacuole not stain .
Haemozoin :is the end product of HB breakdown of trophozoite feed appear brown black granules .
Recrudescence : is repeated malaria attack caused by P. malaria due to small number of erythrocyte forms of parasite persisting in the host ,possibly as a result of parasitic antigenic change .
Chancer : is a pain full swelling can be seen at the site of inculcation when infected with African trypansomasis ,it contain trypomastigote ,and disappear after 10 days .
Chagoma : is a pain full swelling can be seen at the site of inculation,and subcutaneous tissue when infected with T.crzi .
Periodicity : is the time can be found microphlaria in greater number in peripheral blood .
Sowda(black disease) :is an inflammatory in dermatitis ,,,,,also swada use to describe a severe allergic response usually with darkening of skin when infected with onchocerca volvulus .
Tachyzoite (endozoite) : is active form of toxoplasma gondii usually seen in neutrophil or mononuclear cell.
Bradizoite (cytozoite) : is in active form of toxoplasma gondii usually seen in muscle, in side tissue .

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