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Raphe nucleus

raphe nucleus n.
Any of the various unpaired nerve cell groups that are located in and along the median plane of the mesencephalic and rhombencephalic tegmenta that include neurons with serotonin-carrying axons that extend to the hypothalamus, septum, hippocampus, and cingulate gyrus.


Read Also:

  • Raphe of penis

    raphe of penis n. The continuation of the raphe of the scrotum onto the underside of the penis.

  • Raphe of perineum

    raphe of perineum n. The central anteroposterior line of the perineum, most marked in the male, continuous with the raphe of the scrotum.

  • Raphe of scrotum

    raphe of scrotum n. A central cordlike line running over the scrotum from the anus to the root of the penis, marking the position of the scrotal septum.

  • Raphia

    [rey-fee-uh, raf-ee-uh] /ˈreɪ fi ə, ˈræf i ə/ noun 1. . /ˈræfɪə/ noun 1. a variant spelling of raffia

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