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raphe

[ rey-fee ]

noun

, plural ra·phae [rey, -fee].
  1. Anatomy. a seamlike union between two parts or halves of an organ or the like.
  2. Botany.
    1. (in certain ovules) a ridge connecting the hilum with the chalaza.
    2. a median line or slot on a cell wall of a diatom.


raphe

/ ˈreɪfɪ /

noun

  1. an elongated ridge of conducting tissue along the side of certain seeds
  2. a longitudinal groove on the valve of a diatom
  3. anatomy a connecting ridge, such as that between the two halves of the medulla oblongata
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


raphe

/ fē′ /

, Plural raphaefē′

  1. A seamlike line or ridge between two similar parts of a body organ, as in the scrotum.
  2. The portion of the funiculus that is united to the ovule wall, commonly visible as a line or ridge on the seed coat.
  3. A groove in the frustule of some diatoms.


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Word History and Origins

Origin of raphe1

1745–55; < New Latin < Greek rhaphḗ seam, suture, akin to rháptein to sew, stitch together
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Word History and Origins

Origin of raphe1

C18: via New Latin from Greek rhaphē a seam, from rhaptein to sew together
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Example Sentences

Ward obtained the unexpected result that it was confined to the raphe of the seed.

Seeds large, usually slightly notched; chalaza rather narrow; raphe a groove.

Seeds small to very small, slightly notched on top; chalaza depressed, oblong-oval; raphe broad, slightly distinct.

Seeds two to three of medium size; chalaza oval in shape, slightly distinct; raphe flat, usually inconspicuous, rarely prominent.

Seeds small to medium, plump, slightly notched, if at all; chalaza oblong-oval; raphe slightly distinct or invisible.

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Raphaelesqueraphia