ArticleJournal of morphology2026
Testicular Morphology and Spermatogenesis in Potamotrygon motoro: Insights Into Reproduction of Freshwater Stingrays.
Article in Journal of morphology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Testicular Morphology and Spermatogenesis in Potamotrygon motoro: Insights Into Reproduction of Freshwater Stingrays.Journal of morphology · 2026Article
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Authors and funding
7 authors.
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Abstract
This study investigated the spermatogenesis of the freshwater stingray Potamotrygon motoro using microscopic analyses. The testes of this species were described as being composed of germinal zones, a degenerated zone, and the epigonal organ, consisting of connective tissue and lymphomyeloid cells. A cystic pattern of spermatogenesis was observed, in which each cyst is formed and maintained by Sertoli cells that undergo morphological and positional changes throughout the process. After the release of spermatozoa into the duct, the peripheral cysts formed a degenerating layer. Spermiogenesis, the final phase of sperm development and differentiation, was identified as a complex process in P. motoro, involving nuclear compaction and structural modifications. This study presents, for the first time, a detailed description of the germ cell development process in P. motoro, contributing to the understanding of spermatogenesis in freshwater stingrays.
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