Blood and tissue nematodes II Flashcards
Mansonella Ozzardi, Mansonella Perstans, Trichinella Spiralis, Dracunculus Medenensis, Angiostrongylus Cantonensis
Common name of Mansonella Ozzardi
New world filaria
Transferred by the injection of infective larvae to the human definitive host.
Mansonella Ozzardi
It is found in the blood as well as in the capillaries and intravascular spaces of skin.
Microfilaria
The emerging adults may take up residence in the body cavities, visceral fat and mesenteries.
Mansonella Ozzardi
Found exclusively in western hemisphere.
Mansonella Ozzardi
Known to exist in North, central, and south america, as well as part of west indies and carribean.
Mansonella Ozzardi
The parasite may be transmitted by culicoides midges or simulium blackfly.
Mansonella Ozzardi
Asymptomatic infections are common, symptoms such as urticaria, lymphadenitis, skin itching, and arthralgias may occur.
Mansonella Ozzardi
Common name of Mansonella Perstans
Perstans Filaria
Its life is similar to M. ozzardi
Mansonella Perstans
The only vector of Mansonella Perstans
Culicoides sucking midges
Primary definitive host in the life cycle of Mansonella Perstans.
Humans
The incubation period of this organism once inside the host is unknown.
Mansonella Perstans
Infection rates are high in areas endemic to the culicoides sucking midges.
Mansonella Perstans
They are thought to harbor M. perstans or a closely related species as reservoir hosts.
Primates
Adult ____ worms usually appear singly.
M. perstans
Minor allergic reactions or no symptoms at all, are experienced by the infected individuals.
Mansonella Perstans
These individuals may exhibit moderate eosinophilia.
Mansonella Perstans