A syndrome whose symptoms resemble those of heart disease, but without the physiological abnormalities; it is now considered a manifestation of an anxiety disorder.

The official name of the country Costa Rica.

One of 58 counties in California, United States. County seat: Martinez.

A census-designated place in Contra Costa County, California, United States.

A rare genetic skin disorder characterized by hyperkeratosis, lesions, or dark markings on the skin; erythrokeratodermia variabilis.