1949
DOI: 10.1508/cytologia.15.109
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The Occurrence of Oviform Germ Cells by Hormonal Injection in the Regenerated Testes of a Newt

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Cited by 15 publications
(11 citation statements)
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“…The high potency of the anterior part of the testis linked to the lung to differentiate new testicular structures has been demonstrated in our study by the elimination of the first differentiated testis lobe, triggering the formation of a new testis lobe in which a complete spermatogenesis can occur. A similar result was obtained in Cynops pyrrhogaster and Triturus cristatus and described as testis regeneration [ 11 , 33 ]. In the experiments performed in Triturus cristatus , regenerates were studied up to 21 months after the bilateral castration and several oocytes could be found in the gonad [ 33 ].…”
Section: Discussionsupporting
confidence: 83%
See 1 more Smart Citation
“…The high potency of the anterior part of the testis linked to the lung to differentiate new testicular structures has been demonstrated in our study by the elimination of the first differentiated testis lobe, triggering the formation of a new testis lobe in which a complete spermatogenesis can occur. A similar result was obtained in Cynops pyrrhogaster and Triturus cristatus and described as testis regeneration [ 11 , 33 ]. In the experiments performed in Triturus cristatus , regenerates were studied up to 21 months after the bilateral castration and several oocytes could be found in the gonad [ 33 ].…”
Section: Discussionsupporting
confidence: 83%
“…Such an organ is a common feature of most Caudata belonging to the Salamandroidea order. Among the Salamandridae family, it was described for instance in various genus of the Pleurodelinae subfamily ( Triturus cristatus, Ichthyosaura alpestris, Lissotriton helveticus (= Triturus palmatus ) [ 5 , 6 ], Triturus marmoratus [ 44 ], Notophthalmus (= Diemyctylus) viridescens, Taricha torosa (= Diemyctylus torosus = Triturus torosus ) [ 7 , 12 ], Cynops pyrrhogaster [ 11 ], Euproctus platycephalus (= rusconi), Tylotriton verrucosus and Calotriton (= Euproctus) asper [ 15 ] as well as in the Salamandrinae subfamily ( Salamandra salamandra (= maculata ) [ 5 , 14 ]. Multiple testes are also present in the Plethodontidae family, both in the desmognathinae ( Desmognathus fuscus [ 7 , 13 ], D. monticola, D. ochrophaeus and D. quadramaculatus [ 17 ]) and the Plethodontinae subfamilies ( Eurycea bislineata [ 16 ], Chiropterotriton mosaueri [ 45 ]).…”
Section: Discussionmentioning
confidence: 99%
“…Newts have provided the clearest examples of natural reprogramming events in the process of lens regeneration, facilitating the study of mechanisms of cellular reprogramming 4–8 . Additionally, experiments with newts have yielded a great deal of knowledge about the regeneration of various tissues and organs, including limb, 9 joint, 10 heart, 11 jaw, 12 retina, 13 , 14 brain, 15–17 spinal cord, 18 intestine, 19 testis, 20 , 21 and lung 22 . Among vertebrates, only newts are known to be capable of regenerating all of the above-mentioned organs and body parts.…”
Section: Introductionmentioning
confidence: 99%
“…Here they may give rise to additional lobes, which occur in older animals (JoLY, 1971;LOFTS, 1974). HANAOKA and TAKAHASHI (1967), TAKAHASHI and HANAOKA (1969) and recently TANAKA et al (1980) have presented results in favor of the hypothesis (see also UCHIDA and HANAOKA, 1949) that some of the PGCs develop from the columnar cells of the peritoneal epithelium which covers the surface of the cord connecting the lobes of multilobar testes, whereas RoUY (1974) assumes that all PGCs have migrated from the lateral plate mesoderm to the testicular anlage.…”
Section: Spermatogenesismentioning
confidence: 97%