raphe


raphe

noun, plural ra·phae [rey-fee] /ˈreɪ fi/.

  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.

noun plural -phae (-fiː)

  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
n.

“seam, suture” (medical), 1753, medical Latin, from Greek rhaphe “seam, suture (of a skull),” from rhaptein “to sew together, stitch” (see wrap).

n. pl. ra•phae (-fē′)

  1. A seamlike line or ridge between two similar parts of a body organ, as in the scrotum.

Plural raphae (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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