| Richard's fringes | The irregularly branched or fringed processes surrounding the ampulla at the abdominal opening of the uterine tube; most of the lining epithelial cells have cilia that beat toward the uterus. Synonym: fimbriae tubae uterinae, laciniae tubae, Richard's fringes. (05 Mar 2000) |
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| Fresnel fringes | <microscopy> A class of diffraction fringes formed when the source of illumination and viewing screen are at a finite distance from a diffracting edge. In the electron microscope these fringes are best seen when the object is slightly out of focus. (05 Aug 1998) |