CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated June 30, 2000 relating to the financial statements of MacroPore, Inc., which appears in MacroPore, Inc.'s Registration Statement on Form 10, as amended on July 16, 2001.
/s/ PricewaterhouseCoopers LLP
San Diego, California
January 30, 2002
