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Spiders in this family possess a known dermonecrotic agent sphingomyelinase D, [8] [9] which is otherwise found only in a few pathogenic bacteria. [10] [11] Bites by spiders in this family can produce symptoms ranging from minor localized effects, to severe dermonecrotic lesions, up to and including severe systemic reactions including renal ...
Spiders do not feed on humans and typically bites occur as a defense mechanism. [20] This can occur from unintentional contact or trapping of the spider. [20] Most spiders have fangs too small to penetrate human skin. [21] Most bites by species large enough for their bites to be noticeable will have no serious medical consequences. [22]
The widow spiders (genus Latrodectus), such as the black widow, redback spider, and katipÅ are spiders that carry a neurotoxic venom [18] which can cause a set of symptoms known as Latrodectism. Widow spiders are large, shiny house spiders with relatively spindly legs and deep, globular abdomens.
Foodborne illness (also known as foodborne disease and food poisoning) [1] is any illness resulting from the contamination of food by pathogenic bacteria, viruses, or parasites, [2] as well as prions (the agents of mad cow disease), and toxins such as aflatoxins in peanuts, poisonous mushrooms, and various species of beans that have not been boiled for at least 10 minutes.
Removing spider food sources may mean controlling for other pests they eat. If you have a bad roach or fly problem, that may also attract spiders and lead to an infestation.
This bacterium is an opportunistic pathogen of animals other than insects, causing necrosis, pulmonary infection, and/or food poisoning. It is unknown how common this is, because these infections are always taken to be B. cereus infections and are rarely tested for the Cry and Cyt proteins that are the only factor distinguishing B ...
Spiders could, theoretically, eat every single human on earth within one year. It gets worse. Those humans consume about 400 million tons of meat and fish each year, so ultimately, the tiny ...
If, however, there is a substantial dose, a bite can cause latrodectism. The main symptoms are generalized muscle pain, stomach cramps, nausea and vomiting. [2] [3] Initially a pinprick or burning sensation can be felt when bitten by widow spiders. If there was enough venom injected, pain worsens over the next hour.