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From Late Latin, from Ancient Greek ῥαφή ‎(rhaphḗ, seam).



raphe ‎(plural raphae or raphes)

  1. (anatomy, botany) A ridge or seam on an organ, bodily tissue, or other structure, especially at the join between two halves or sections.
    • 2003, Joseph H. Kirkbride, Jr., Charles R. Gunn, Anna L. Weitzman, Fruits and Seeds of Genera in the Subfamily Faboideae (Fabaceae), page 24,
      The vast majority of the raphes do not bifurcate (123 genera), but the raphes of 7 genera do.
    • 2004, Arulkumaran, Essential of Obstetrics, page 28,
      They are inserted into the midline raphae or the anococcygeal raphae and the coccyx.
    • 2005, Robert H. Anderson, Marco Pozzi, Suzie Hutchinson, Hypoplastic Left Heart Syndrome, page 29,
      It shows three symmetrical raphes (asterisk) radiating from the centre of the aortic root, but in fetuses there is often asymmetry between the raphes with the one between the left and noncoronary sinuses being larger than the others (red asterisk in Figure 2.14b).
    • 2007, Andrew M. Smith, James A. Callow, Biological Adhesives, page 87,
      The invariant occurrence of adhesive EPS at both the driving and the non-driving raphes supports a model for constitutive, rather than induced, secretion of the raphe adhesive.

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