TERMINOLOGIES USED IN PARASITIC DISEASES Flashcards
the study of a disease in relation to the population, aspects of disease such as incidence, prevalence and transmission in a population
epidemiology
disease refers to a disease that occurs with a predictable frequency with minor fluctuations in a population
endemic
diseases that occur at a higher level in a place at a time than expected for the disease in the place at that particular time
epidemic disease
are those diseases that occurs irregularly with widely dispersed incidence or a disease that occurs infrequently
sporadic diseases
an epidemic occurring in a wide/larger area.
pandemic
the time lapse between the entry of the parasite and the first appearance or onset of clinical signs
incubation
the period in which the form of the parasite is demonstrated in the clinical material of the host.
prepatent period
refers to temporary cessation in the development of immature stages of some nematode parasites in the host due to adverse environmental conditions
hypobiosis
refers to low activity of parasites in winter
hibernation
is a period of low activity in summer
aestivation
aperiod of low activity in arthropods.
diapause
(Virgin birth) refers to formation of progeny without fertilization
parthenogenesis
(Juvenile multiplication) refers to multiplication of juvenile/immature stages of parasite in
intermediate hosts. Examples is the Multiplication of immature stages of trematodes in snail
paedogenesis
(Alternation of generation) the alternation of generations between sexual and asexual reproduction
metagenesis
is a type of asexual division/multiplication in protozoa where a parasite multiplies into numerous individuals by multiple fission.
schizogony
a diverse group that includes organisms such as the coccocidia gregarines, piroplasms, haemogregarines, and plasmodia.
apicomplexa
the differentiation of gamonts in to male and female gametes
gametogony
the union of the male and female gametes to form the zygote
syngamy
the differentiation of zygote to oocyst, sporocyst and sporozoites
sporogony
