Nocardia spp are deeply involved in the process of endocarditis as one of its main pathogenic effects.
This leads to the entrance of Nocardia into the blood stream and the propagation of its pathogenic effects.
Some species are known for their pathogenic effects in humans and other animals.
Most studies of the fungi focuses on their pathogenic effects toward apples, pears and other fruits.
Nematodiriasis, due to N. battus infection, is an example of a parasitic disease where the principal pathogenic effect is attributable to the larval stages.
Since much of the pathogenic effect occurs within the prepatent period, the faecal egg count may be very low.
The most obvious pathogenic effects are direct damages on tissues resulting from the blockage of internal organs or from the immense pressure exerted by the growing parasites.
The apparent pathogenic effect of sugar, in this light, is due to its easy digestibility.
HIV has had similar pathogenic effects wherever it is seen in different groups throughout the world.
The exact cause of the disorder and its pathogenic effect on the flocculus is unknown.