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.
Spiders eat many types of harmful insects, helping to keep your garden free of pests. Spiders are creatures that have 8 legs, have no wings or antennae. They have 2 distinct body parts called the thorax or head and the abdomen.piders are not insects. Insects have three body parts and six legs. Spiders have eight legs and two body parts, the abdomen and the thorax. Spiders have silk spinning glands called spinnerets, at the tip of their abdomen.