raphe

(noun)

a ridge or seam on an organ, bodily tissue, or other structure, especially at the join between two halves or sections

Related Terms

Examples of raphe in the following topics:

  • Reticular Formation

    • The raphe nuclei form a ridge in the middle of the reticular formation, and directly to its periphery, there is a division called the medial reticular formation.
    • The raphe nuclei is the place of synthesis of the neurotransmitter serotonin, which plays an important role in mood regulation.

  • Chromalveolata: Stramenopiles

    • Some diatoms exhibit a slit in their silica shell called a raphe.
    • By expelling a stream of mucopolysaccharides from the raphe, the diatom can attach to surfaces or propel itself in one direction.

  • Penis

    • The perineal raphe is the noticeable line along the underside of the penis.
    • The raphe is the noticable ridge between the halves of the penis.

  • Stress and Disease

    • Serotonin transmission from both the caudal raphe nuclei and rostral raphe nuclei is reduced in patients with depression compared with non-depressed controls.