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Moro-Rodriguez, EAuthorCatala-Rodriguez, MCorresponding AuthorGarcia-Gomez-De-Las-Heras, SAuthorPalomar-Gallego, MaAuthor

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September 27, 2022
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Sympathetic sprouting in dorsal root ganglia (DRG): A recent histological finding?

Publicated to:Histology And Histopathology. 18 (2): 575-586 - 2003-04-01 18(2), DOI: 10.14670/hh-18.575

Authors: García-Poblete, E; Fernández-García, H; Moro-Rodríguez, E; Catalá-Rodriguez, M; Rico-Morales, ML; García-Gómez-de-las-Heras, S; Palomar-Gallego, MA

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Abstract

During the nineties it was described, as an original finding, the existence of afferent amyelinic nerve endings in animal dorsal root ganglia (DRG) caused by diverse experimental lesions. These works do not take into account the historical studies carried out by Ehrlich (1886), Ramon y Cajal (1890) and Dogiel (1885) among others. Ramon y Cajal (1899) confirmed the existence of these nerve endings naming them after their discoverer as Dogiel's arborisations. Ramon y Cajal claims that these endings originate from fibres of sympathetic nature, something supported by later authors devoted to this topic. In any case, the same authors remarked already a possible relationship with pathological phenomena, nonetheless always referring to the frequent occasions in which the same images appeared in healthy animals. In this work we review the bibliography about the classically named Terminal Dogiel's nests which in modern literature have been referred to as sprouting of sympathetic axons in dorsal root ganglia likely related with sympathetically maintained pain. Furthermore, we present the finding, not described up to date, of multiple afferent amyelinic nervous endings related with the Terminal Dogiel's nests observed in different DRG from young adult healthy rabbits.

Keywords

AgingAnimaliaAnimalsAxotomized sensory neuronsBrosimum alicastrum alicastrumCell invasionCell sizeChronic constriction injuryCytokineDendritesDogiel's arborisationsDorsal root ganglionElectron microscopyExperimental modelGanglia, spinalHistologyHistory of medicineHumanHumansLeukemia inhibitory factorMechanical allodyniaMedical literatureMessenger-rnaMolecular dynamicsMultiple afferent amyelinic nervous endingsNerve degenerationNerve endingNerve growth factorNerve growth factorsNerve growth-factorNerve sproutingNeuropathic painNeuropathologyNeurophysiologyNeurotrophin 3Neurotrophin receptorNonhumanNoradrenergic nerveNorepinephrineOryctolagus cuniculusPainPeripheral nerve injuryPeripheral nervesPeripheral-nerveReceptorReviewSciatic-nerveSpinal ganglionSympathetic nerveSympathetic nerve cellSympathetic nervous systemSympathetic tone

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Histology And Histopathology due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2003, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Pathology and Forensic Medicine.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 2.97, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-16, the following number of citations:

  • WoS: 21
  • Scopus: 22

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 39 (PlumX).

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author () and Last Author (Palomar Gallego, María Angustias).

the authors responsible for correspondence tasks have been and Catalá Rodríguez, Myriam.