Definición de raphe en inglés:


Saltos de línea: raphe
Pronunciación: /ˈreɪfi

sustantivo (plural raphae /ˈreɪfiː/)

Anatomy & Biology
  • 1A groove, ridge, or seam in an organ or tissue, typically marking the line where two halves fused in the embryo, in particular:
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    • If the variant is bilateral the deviant muscle plate has a raphe in the median line.
    • They are located close to the median raphe, ventromedial to the hypoglossal nucleus.
    • Its fibers pass dorsally from an extensive anterior attachment to insert on the pharyngeal raphe, the pharyngeal tubercle of the occipital bone.
  • 1.1The connecting ridge between the two halves of the medulla oblongata or the tegmentum of the midbrain.
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    • Because most medullary raphe neurons that project to motoneurons are inhibited by vagal afferents.
    • Second, there is a midbrain trigger, perhaps in serotonergic neurons of the dorsal raphe.
    • In rats, the CO2-sensitive neurons of the caudal medullar raphe act during sleep only.
  • 1.2 Botany A longitudinal ridge on the side of certain ovules or seeds.
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    • The raphe is a slightly depressed area on the opposite side of the hilum from the micropyle.
  • 1.3 Botany A longitudinal groove in the valve of many diatoms.
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    • Through the raphe, the living diatom secretes mucilage, with which it may attach to a substrate or move by gliding over the substrate.


mid 18th century: modern Latin, from Greek rhaphē 'seam'.

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Palabra del día coloratura
Pronunciación: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody