raphe
Americannoun
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Anatomy. a seamlike union between two parts or halves of an organ or the like.
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Botany.
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(in certain ovules) a ridge connecting the hilum with the chalaza.
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a median line or slot on a cell wall of a diatom.
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noun
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an elongated ridge of conducting tissue along the side of certain seeds
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a longitudinal groove on the valve of a diatom
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anatomy a connecting ridge, such as that between the two halves of the medulla oblongata
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A seamlike line or ridge between two similar parts of a body organ, as in the scrotum.
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The portion of the funiculus that is united to the ovule wall, commonly visible as a line or ridge on the seed coat.
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A groove in the frustule of some diatoms.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of raphe
1745–55; < New Latin < Greek rhaphḗ seam, suture, akin to rháptein to sew, stitch together
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
