The term glomerulonephritis (GN) covers a group of conditions in which there is injury in the glomerulus, the filtering unit of the kidney. This can occur either as a primary glomerular disease, or secondary to drugs, infections or tumours (see Secondary Glomerular Disease, pp 464â466 of this issue).
As insects are spiders' main prey, it is likely that they would impose strong selectional forces on the foraging behavior of spiders. Most commonly found in the sheet-web spider families, some webs will have loose, irregular tangles of silk above them.
What Do Spiders Eat. Despite the fact that nearly all spiders are considered to be predatory by nature, the jumping spider acquires more than 90% of its nutrition from the plants material which are generated by acacias in an attempt to a mutually beneficial relationship with ant species.