Exhibit 23.2


               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement on Form S-4 and related Prospectus of Genzyme
Corporation for the registration of 2,509,002 shares of Genzyme Biosurgery
Division common stock and to the incorporation by reference therein of our
report dated January 31, 2001, with respect to the financial statements of
Focal, Inc. included in its Annual Report (Form 10-K) for the year ended
December 31, 2000, filed with the Securities and Exchange Commission.

                                             /s/ Ernst & Young LLP


Boston, Massachusetts
May 15, 2001