Toxoplasma Flashcards
toxoplasma means
toxo=arc
plasma=form
Toxoplasma gondi is also known as
intestinal coccidian of felids
toxoplasma name is derieved from _________ shape of ________ stage
crescent
tachyzoite
toxoplasma gondi is a ________cellular parasite
intra
toxopasma gondi is transmitted by 3 ways i.e.
congenital
carnivorism
faecal oral route
T. gondi has _____ infective stages
3
name the 3 infective stages of T. gondi
tachzoites
bradyzoites
sporozoites
tachoziotes are found in ________
pseudocyst
bradyzoites are found in ________
tissue cyst
sporozoites are found in _______
oocyst
bradizoites of tachyzoites divide fast
tachyzoites
the term pseudocyst has been used becuase
there is no well defined parasitic membrane around tachyzoites
_______cyst has well defined parasitic membrane
tissue
_______ is the resting stage of parasite in the host cell
tissue cyst
nucleus of _______zoites is centrally located
tachy
how are DH infected
by ingestion of any of the three infective stages
released bradyzoites oass through _______cycle followed by sexual cycle
asexual
bradyzoites oass through ____to_____ Asexual generations
A
E
______ is smallest of all the 5 asexual Toxoplasma types
Type A
characterstic of Type B
centrally placed nucleus
characterstic of type C & E
elongate
sub-terminal nucleus
type E resemble _______
type D
mode of sexual reproduction of type A type B type C type D type E
A= B=endodyogeny,endopolygeny C=schizogony D=endopolygeny E=schizogony
merozoitesvreleased from schizont of type____ &_____ initiate gamete for ation
D
E
each oocyst is
_______sporocystic
_______sporozoic
Bi
Tetra
same as Isospora
DH for T. gondi is ________
cat
host in T. gondi infection dies due to necrosis of _______,______
intestine
messentric lymph nodes
name the method used for diagnosis of T. gondi
peroxidase-immunoperoxidase method
name the vaccination against Toxoplasma gondi
toxovax
two drugs for T. gondi treatment
sulphadiazine
pyrimethamine
