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yolk |
Also found in: Dictionary/thesaurus, Medical, Hutchinson | 0.01 sec. |
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yolk 1. the substance in an animal ovum consisting of protein and fat that nourishes the developing embryo 2. a greasy substance secreted by the skin of a sheep and present in the fleece yolk [yōk] (biochemistry) Nutritive material stored in an ovum. The yellow spherical mass of food material that makes up the central portion of the egg of a bird or reptile. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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