Parker, Sybil P. Formerly, Editor in Chief, "McGraw-Hill Encyclopedia of Science and Technology," McGraw-Hill Companies, Inc., New York, New York.
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A fatty substance formed in the intestinal tract of the sperm whale (Physeter catodon). There is a question as to whether the origin of ambergris is normal or pathological, but it does serve as protection from the horny indigestible portions of the squid and cuttlefish that constitute much of the whale's diet.
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