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.
Why do spiders spin webs? How do spiders create webs? How long does it take a spider to build a web? How strong is a spider web? Why is spider silk sticky? What else do spiders use silk for? Spider Bites. What is the most venomous spider in the world? How do I treat a spider bite? What do spider bites look like? Reproduction. When do spiders lay eggs? How do spiders reproduce? How many eggs do spiders lay?