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.
Typical symptoms include fever, headache, fatigue, and a characteristic skin rash called erythema migrans. There is a gradual expansion of redness around the site of the tick bite. The advancing border is raised, warm, and red or bluish-red and ringlike in appearance.