3990282
Beschreibung
Karteikarten von siobhonegan, aktualisiert more than 1 year ago
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Erstellt von siobhonegan
vor etwa 9 Jahre
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| Frage | Antworten |
| Hybobiosis | Stage of suspended development of certain larval nematodes in the host tissues, which prolongs prepatent period |
| Intesnity | Mean number of parasites of a particular species per infected host |
| Larva migrans | The migration of the larval stages of helminths in tissues of the abnormal host within which they cannot develop to maturity |
| Microfilaria | Motile, pre-first stage juvenille of some filarioid nematodes |
| Miracidium | First larval stage of trematodes; develops in egg and metamorphosed into mother sporocyst within a mollusc |
| Metacestode | That stage in the tapeworm life cycle which is passed within an I.H or occasionally P.H and which is infective to D.H |
| Plerocercoid | Solid larva normally with scolex invaginated. Found in pseudophyllideans eg: sparganum of Spirometra |
| Cysticercoid | Solid larva, consisting of an anterior region containing a withdrawn scolex and sometimes a tail-like posterior region. Usually occurs in invertebrates eg: Hymenolepis nana |
| Cysticerus | General term for the "bladder worm" type of larva Restricted to Taeniidae Hollow translucent bladder into which projects a small pocket, which in turn contains an invaginated scolex |
| Hydatid | Hollow larva consisting of a cyst with a very long thin germinal membrane which gives rise by asexual budding to internal brood capsules. From these arise invaginated protoscoleces Eg: Echinococcus granulosus |
| Oocyst | The cystic stage of sporozoans. Often a free-living, dispersion stage |
| Parthenogenetic | Eggs (ova) develop without fertilization |
| Prepatent period | Time between entrance of infective stage into D.H and first appearance of eggs or juveniles |
| Prevalence | Percentage of hosts infected with a particular parasite species at a particular time |
| Somatic migration | Migration into tissues - usually from gut |
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