raphe

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raphe

 [ra´fe]
a seam; anatomic nomenclature for the line of union of the halves of various symmetrical parts.
abdominal raphe linea alba.

ra·phe

(rā'fē), [TA] Avoid the mispronunciations rah-fā' and rāf. Do not place an acute accent over the final e of this Greek word. Although r at the beginning of a Greek word is usually followed by h in English spelling, this word is correctly spelled either raphe or rhaphe.
The line of union of two contiguous, bilaterally symmetric structures.
Synonym(s): rhaphe
[G. rhaphē, suture, seam]

raphe

/ra·phe/ (ra´fe) pl. ra´phae   a seam; the line of union of the halves of various symmetrical parts.
raphe of penis  a narrow dark streak or ridge continuous posteriorly with the raphe of scrotum and extending forward along the midline on the underside of the penis.
perineal raphe  a ridge along the median line of the perineum that runs forward from the anus; in the male, it is continuous with the raphe of scrotum.
raphe of scrotum  a ridge along the surface of the scrotum in the median line, continuous with the perineal raphe and the raphe of penis.

raphe

also

rhaphe

(rā′fē′)
n. pl. ra·phae (-fē′)
1. Anatomy A seamlike line or ridge between two similar parts of a body organ, as in the scrotum.
2. Botany The portion of the funiculus that is united to the ovule wall, commonly visible as a line or ridge on the seed coat.
3. The median groove of a diatom valve.

raphe

[rā′fē]
Etymology: Gk, rhaphe, seam
a crease, ridge, or seam of the halves of various symmetric parts, such as the abdominal raphe of the linea alba or the raphe penis, which appears as a narrow dark streak on the inferior surface of the penis. Also spelled rhaphe.

ra·phe

, rhaphe (rā'fē) [TA]
The line of union of two contiguous, bilaterally symmetric structures.
[G. rhaphē, suture, seam]

raphe

A seam. The line or ridge of union between two mirror-image or symmetrical body parts.

raphe

a longitudinal slit or ridge as found in diatoms, or in some seeds where it marks the position of the FUNICLE (1).

ra·phe

, rhaphe (rā'fē) [TA]
Line of union of two contiguous, bilaterally symmetric structures.
[G. rhaphē, suture, seam]

raphe

a seam; line of union of the halves of various symmetrical parts.

abdominal raphe
linea alba.
raphe nuclei
small group of serotenergic cells in the midline of the brainstem; may be involved in the initiation of sleep.