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Article: Biopsy studies on the natural sex reversal in Monopterus albus (Pisces: Teleostei)

TitleBiopsy studies on the natural sex reversal in Monopterus albus (Pisces: Teleostei)
Authors
Issue Date1972
PublisherBlackwell Publishing Ltd.
Citation
Journal of Zoology, 1972, v. 167 n. 4, p. 415-421 How to Cite?
AbstractA technique for the study of the ontogenetic development and the sequential changes in structure of the gonad of Monopterus albus during natural sex reversal was established by making successive biopsy examinations on gonadal tissue of individual animals at regular time intervals. Results obtained from the present investigation provided some direct and conclusive evidence that anatomical transformation from an ovary, through a transitory intersexual phase, to a testis occurred as a natural process in the life cycle of individuals in this species, and confirmed most of the previous observations derived from studies based upon body-size and sexuality correlation. This biopsy approach will form a basis for further investigations on the effects of various experimentations, such as hormone administration, hypophysectomy, photo-stimulation and thermo-stimulation, on sex differentiation and sex changes in this protogynous hermaphroditic fish.
Persistent Identifierhttp://hdl.handle.net/10722/209128
ISSN
2015 Impact Factor: 1.819
2015 SCImago Journal Rankings: 1.032

 

DC FieldValueLanguage
dc.contributor.authorChan, STH-
dc.contributor.authorO, WS-
dc.contributor.authorTang, F-
dc.contributor.authorLofts, B-
dc.date.accessioned2015-03-31T04:01:21Z-
dc.date.available2015-03-31T04:01:21Z-
dc.date.issued1972-
dc.identifier.citationJournal of Zoology, 1972, v. 167 n. 4, p. 415-421-
dc.identifier.issn0952-8369-
dc.identifier.urihttp://hdl.handle.net/10722/209128-
dc.description.abstractA technique for the study of the ontogenetic development and the sequential changes in structure of the gonad of Monopterus albus during natural sex reversal was established by making successive biopsy examinations on gonadal tissue of individual animals at regular time intervals. Results obtained from the present investigation provided some direct and conclusive evidence that anatomical transformation from an ovary, through a transitory intersexual phase, to a testis occurred as a natural process in the life cycle of individuals in this species, and confirmed most of the previous observations derived from studies based upon body-size and sexuality correlation. This biopsy approach will form a basis for further investigations on the effects of various experimentations, such as hormone administration, hypophysectomy, photo-stimulation and thermo-stimulation, on sex differentiation and sex changes in this protogynous hermaphroditic fish.-
dc.languageeng-
dc.publisherBlackwell Publishing Ltd.-
dc.relation.ispartofJournal of Zoology-
dc.rightsThe definitive version is available at www.blackwell-synergy.com-
dc.titleBiopsy studies on the natural sex reversal in Monopterus albus (Pisces: Teleostei)-
dc.typeArticle-
dc.identifier.emailO, WS: owaisum@hkucc.hku.hk-
dc.identifier.emailTang, F: ftang@hkucc.hku.hk-
dc.identifier.authorityO, WS=rp00315-
dc.identifier.authorityTang, F=rp00327-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1469-7998.1972.tb01733.x-
dc.identifier.volume167-
dc.identifier.issue4-
dc.identifier.spage415-
dc.identifier.epage421-
dc.publisher.placeUnited Kingdom-

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