1 spiders , people
1.1 spider bites
1.2 benefits humans
1.3 arachnophobia
1.4 spiders in symbolism , culture
spiders , people
spider bites
all symptoms associated toxic spider bites
although spiders feared, few species dangerous people. spiders bite humans in self-defense, , few produce worse effects mosquito bite or bee-sting. of medically serious bites, such recluse spiders , widow spiders, rather flee , bite when trapped, although can arise accident. funnel web spiders defensive tactics include fang display , venom, although inject much, has resulted in 13 attributed human deaths on 50 years. have been deemed world s dangerous spiders on clinical , venom toxicity grounds, though claim has been attributed brazilian wandering spider.
there 100 reliably reported deaths spider bites in 20th century, compared 1,500 jellyfish stings. many alleged cases of spider bites may represent incorrect diagnoses, make more difficult check effectiveness of treatments genuine bites. review published in 2016 agreed conclusion, showing 78% of 134 published medical case studies of supposed spider bites did not meet necessary criteria spider bite verified. in case of 2 genera highest reported number of bites, loxosceles , latrodectus, spider bites not verified in on 90% of reports. when verification had occurred, details of treatment , effects lacking.
benefits humans
cooked tarantula spiders considered delicacy in cambodia.
spider venoms may less polluting alternative conventional pesticides, deadly insects great majority harmless vertebrates. australian funnel web spiders promising source, of world s insect pests have had no opportunity develop immunity venom, , funnel web spiders thrive in captivity , easy milk . may possible target specific pests engineering genes production of spider toxins viruses infect species such cotton bollworms.
the ch ol maya use beverage created tarantula species brachypelma vagans treatment of condition term tarantula wind , symptoms of include chest pain, asthma , coughing.
possible medical uses spider venoms being investigated, treatment of cardiac arrhythmia, alzheimer s disease, strokes, , erectile dysfunction. peptide gsmtx-4, found in venom of brachypelma vagans, being researched determine whether or not used treatment of cardiac arrhythmia, muscular dystrophy or glioma. because spider silk both light , strong, attempts being made produce in goats milk , in leaves of plants, means of genetic engineering.
spiders can used food. cooked tarantula spiders considered delicacy in cambodia, , piaroa indians of southern venezuela – provided highly irritant hairs, spiders main defense system, removed first.
arachnophobia
arachnophobia specific phobia—it abnormal fear of spiders or reminiscent of spiders, such webs or spider-like shapes. 1 of common specific phobias, , statistics show 50% of women , 10% of men show symptoms. may exaggerated form of instinctive response helped humans survive, or cultural phenomenon common in predominantly european societies.
spiders in symbolism , culture
this moche ceramic depicts spider, , dates around 300 ce.
spiders have been focus of stories , mythologies of various cultures centuries. have symbolized patience due hunting technique of setting webs , waiting prey, mischief , malice due venomous bites. italian tarantella dance rid young woman of lustful effects of spider bite.
web-spinning caused association of spider creation myths, seem have ability produce own worlds. dreamcatchers depictions of spiderwebs. moche people of ancient peru worshipped nature. placed emphasis on animals , depicted spiders in art.
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