Evolution of the nucleolar apparatus during oogenesis in Acipenseridae.
Identifieur interne : 000822 ( PubMed/Corpus ); précédent : 000821; suivant : 000823Evolution of the nucleolar apparatus during oogenesis in Acipenseridae.
Auteurs : E V RaikovaSource :
- Journal of embryology and experimental morphology [ 0022-0752 ] ; 1976.
English descriptors
- KwdEn :
- MESH :
- chemical : Chromatin, DNA, RNA.
- physiology : Fishes.
- ultrastructure : Cell Nucleolus, Oocytes.
- Animals, Chromosomes, Female, Meiosis, Microscopy, Electron, Oogenesis.
Abstract
Evolution of the nucleoli has been followed during oogenesis in the Acipenserid fishes, Acipenser ruthenus (the sterlet) and A. guidenstadti (the sturgeon) using light and electron microscopes. In the ovaries of adults, the oogonial nuclei usually have a single nucleolus with an adjacent mass of paranucleolar fibrillar material. The cytoplasm of the oogonia contains two dense bodies peculiar only to gonocytes, one being electron dense and containing RNA and the otherbeing electron-lucent and lacking RNA...
PubMed: 985850
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pubmed:985850Le document en format XML
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In the ovaries of adults, the oogonial nuclei usually have a single nucleolus with an adjacent mass of paranucleolar fibrillar material. The cytoplasm of the oogonia contains two dense bodies peculiar only to gonocytes, one being electron dense and containing RNA and the otherbeing electron-lucent and lacking RNA...</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">985850</PMID><DateCreated><Year>1976</Year><Month>10</Month><Day>01</Day></DateCreated><DateCompleted><Year>1976</Year><Month>10</Month><Day>01</Day></DateCompleted><DateRevised><Year>2003</Year><Month>11</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-0752</ISSN><JournalIssue CitedMedium="Print"><Volume>35</Volume><Issue>3</Issue><PubDate><Year>1976</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Journal of embryology and experimental morphology</Title><ISOAbbreviation>J Embryol Exp Morphol</ISOAbbreviation></Journal><ArticleTitle>Evolution of the nucleolar apparatus during oogenesis in Acipenseridae.</ArticleTitle><Pagination><MedlinePgn>667-87</MedlinePgn></Pagination><Abstract><AbstractText>Evolution of the nucleoli has been followed during oogenesis in the Acipenserid fishes, Acipenser ruthenus (the sterlet) and A. guidenstadti (the sturgeon) using light and electron microscopes. In the ovaries of adults, the oogonial nuclei usually have a single nucleolus with an adjacent mass of paranucleolar fibrillar material. 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