Sarah Trigg's artwork is covered by Karen Steen at MetropolisMag:

A directory of fast-food restaurants in the Detroit Metro Airport; a map of Sprint's cell-phone service across the United States; the grid of Northwest Airlines’ flight patterns: all of these are organic systems that developed in response to need and efficiency, much like the systems within the human body.

To painter Sarah Trigg, these urban patterns even look a little like cells, dendrites, and organs. Taking inspiration from secondhand surgery textbooks, airport layouts, and fuzzy aerial photos found on the Web, Trigg maps fictive terrains that are part landscape, part bodyscape.
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Found via kottke.