You can see this at play with the hot dog: the sandwich and sausage were both invented elsewhere, so to celebrate them separately as uniquely American on America's day of independence would present an empty gesture, immediately undermined by the tools used to make it.
An Ommaya reservoir is an intraventricular catheter system that can be used for the aspiration of cerebrospinal fluid or for the delivery of drugs (e.g. chemotherapy) into the cerebrospinal fluid.n Ommaya reservoir is an intraventricular catheter system that can be used for the aspiration of cerebrospinal fluid or for the delivery of drugs (e.g. chemotherapy) into the cerebrospinal fluid.
Mount Mazama is a stratovolcano in the Oregon segment of the Cascade Volcanic Arc and the Cascade Range located in the United States. The volcano 's collapsed caldera holds Crater Lake, and the entire mountain is located within Crater Lake National Park.ount Mazama is a stratovolcano in the Oregon segment of the Cascade Volcanic Arc and the Cascade Range located in the United States. The volcano 's collapsed caldera holds Crater Lake, and the entire mountain is located within Crater Lake National Park.