- (in certain ovules) a ridge connecting the hilum with the chalaza.
- a median line or slot on a cell wall of a diatom.
Origin of raphe
Words nearby raphe
How to use raphe in a sentence
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.