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 (ra´fe),

n (
pl raphae) a crease or ridge that divides an organ in half.
n the ridge of oral mucosa that marks the median line of the hard palate and the median palatine suture between the two palatal shelves to form the secondary palate embryonically.

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.
References in periodicals archive ?
jentlandicum in the narrower interstriae, the dorsal areolae near the raphe more distant than the others, and the external proximal ends less dilated.
Once a general idea of the nerve's location was obtained, the incision in the raphe was carefully extended distally by sharp dissection.
Relationship between electroacupuncture analgesia and descending pain inhibitory mechanism of nucleus raphe magnus.
In the midbrain, stimulation of dorsal raphe serotonergic fibers causes the release of 5-HT in the SNpc (80), which is associated with a decrease in the firing rate of dopaminergic neurons, antagonizing the response mediated by DA (81).
An orexinergic projection from perifornical hypothalamus to raphe pallidus increases rat brown adipose tissue thermogenesis.
Nectow and his colleagues zeroed in on the dorsal raphe nucleus, or DRN, when whole-brain imaging made with iDISCO, an advanced technique developed at Rockefeller, revealed that this part of the brain becomes activated in hungry mice.
The major sites of Ketamine analgesia have been demonstrated as periaqueductal grey matter, nucleus raphe magnus and spinal cord dorsal horn and pain pathways involving endogenous opiate and 5-HT neurotransmission.
6) It usually develops posterior to the scrotum in the soft tissue of the perineum, as two masses on both sides of the median raphe, or as a single mass located midline, or lateralized over the ischial tuberosity.
The serotonin level in the nucleus of the raphe and the HC is lower in subjects that have been separated, which could be responsible for the depression-related behaviors found in these animals.
Pourshanazari AA, Alaei H, Rafati A Effects of electrical stimulation of nucleus raphe dorsalis on initiation of morphine self administration inrats.