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

1745–55; < Neo-Latin < Greek rhaphḗ seam, suture, akin to rháptein to sew, stitch together

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World English Dictionary
raphe (ˈreɪfɪ)
n , pl -phae
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
[C18: via New Latin from Greek rhaphē a seam, from rhaptein to sew together]

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Medical Dictionary

raphe ra·phe or rha·phe (rā'fē)
n. pl ra·phae (-fē')
A seamlike line or ridge between two similar parts of a body organ, as in the scrotum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
raphe   (rā'fē')  Pronunciation Key 
Plural raphae (rā'fē')
  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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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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