http://www.nucmed.buffalo.edu/nrlgy1.htm#fdg_normal_brainx31 You can see a PET scan of normal brains but there are links to images with pathological conditions.

http://www.coa.uky.edu/ADReview This web page contains a great deal of useful information about Alzheimer's disease and includes numerous links to other useful sites pertaining to the topic.

http://www.merck.com/!!s9OfD17kBs9OwL2Wwl/disease/preventable/hib/ Haemophilus B is a bacterium that can cause meningitis. This site offers a brief discussion of the mode of transmission and lists those at greatest risk.

http://uta.marymt.edu/~psychol/brain.html You can click on the cerebral cortex and the name of the structure appears along with an explanation.

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