Located of the brainstem; controls breathing and heartbeat; connects the medulla to the two sides of the cerebellum to help coordinate and integrate movement on each side of side of the body; involved in sleep and dreaming.
Common symptoms of a brown recluse spider bite include shivering, vomiting, nausea, fever, itching, shock and restlessness. The bite may come out as an injury of about 1 to 2 3/4 inches which takes several months of healing and will leave you with unsightly scars. The bite is usually deep and will cause pain eventually.
Both of which are localized skin infections/inflammations. A spider bite could occur on back but is less likely. A spider bite could get infected or it could cause tissue necrosis as with the brown recluse spider bites. became quite ill from it. Luckily, most people do not have this severe a reaction. Brown recluse bites can cause minor reactions or they can in rare cases be deadly. Hemotoxic venom is injected when they bite. In one study, over a third of bites led to necrosis (destruction) of the skin surrounding it.