National Institute of Neurological Disorders and Stroke - Science for the Brain: The United States' leading supporter of biomedical research on disorders of the brain and nervous system.
Nature Reviews - Neuroscience -Journal organized into three main sections: Highlights, Reviews and Perspectives on neuroscience research.
Online Mendelian Inheritance in Man
A continually updated searchable index of all known human genetic diseases. The entries are quite complete and even come with journal references.
Science On-Line - Full text version of the print journal Science as well as some extremely useful areas available only in electronic form on the Web.
Visible Human Project is creating complete anatomically detailed, three-dimensional representations of the male and female human body.