| Regaud | Claude, French radiologist, 1870-1940. See: Regaud's fixative, residual body of Regaud. (05 Mar 2000) |
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| Regaud's fixative | A fixative containing formaldehyde and sodium dichromate, used to preserve mitochondria but not fat; requires afterchroming and extensive washing. (05 Mar 2000) |
| residual body of Regaud | The excess cytoplasm that separates from the spermatozoon during spermiogenesis. (05 Mar 2000) |
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