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.
Serious symptoms related to the bite of a brown recluse spider include low platelet count, destruction of the red blood cells, blot clots in capillaries, inability to form clots, acute renal failure or kidney damage, coma, and death.
Brown recluse spider. Most bites from this spider are painless and initially go unnoticed, but some may cause a stinging sensation with localized pain. A small white blister usually develops at the site of the bite. The venom of a brown recluse can cause a severe lesion by destroying skin tissue (skin necrosis).