Being bitten by a venomous spider may cause severe local and systemic reactions and can sometimes be fatal. black widow spiders (found in the US and southern Canada) brown recluse spiders ... Black widow bites affect the nervous system.
Spider-Man: 5 Weird Effects of Real Spider Bites
[In Photos: The Science of the Amazing Spider-Man 2] In fact, spiders do not often bite people, and if they do, it is because they feel threatened. Black widow spiders and brown recluse ... certain spiders that affect the nervous system.
How to treat spider bites
The United States is home to three types of poisonous spiders: black widow, brown recluse and tarantula. A black widow spider's venom is classified as a neurotoxin, which means it is poisonous to the nervous system ... black widow spider bite is uncommon ...
Brown Recluse Venom Contains Mysterious Toxin
The finding has implications for understanding how these spider bites affect humans and development of possible treatments for the bites. One of few common spiders whose bites can have a seriously harmful effect on humans, brown recluse spider venom ...
Spider Bites: Which Kind Are Dangerous?
Most spider ... bite is dangerous for humans as its venom directly affects the nervous system. The initial wound at the bite site may seem just like a pinprick. However, the venom of a black widow is more potent than the venom of a recluse spider. It can ...