[Relationship between the spawning process and quantitative ultrastructural analysis of the neurosecretory elements of the neurohypophysis of female Acipenser güldenstädti sturgeon].
Identifieur interne : 000805 ( PubMed/Corpus ); précédent : 000804; suivant : 000806[Relationship between the spawning process and quantitative ultrastructural analysis of the neurosecretory elements of the neurohypophysis of female Acipenser güldenstädti sturgeon].
Auteurs : P E Garlov ; M A Belen'Ki ; A L PolenovSource :
- Zhurnal evoliutsionnoi biokhimii i fiziologii [ 0044-4529 ]
English descriptors
- KwdEn :
- Animals, Cell Count, Cytoplasmic Granules (ultrastructure), Female, Fishes (physiology), Histocytochemistry, Microscopy, Electron, Nerve Endings (metabolism), Nerve Endings (ultrastructure), Neurosecretion, Norepinephrine (metabolism), Peptides (metabolism), Pituitary Gland, Anterior (ultrastructure), Reproduction.
- MESH :
- chemical , metabolism : Norepinephrine, Peptides.
- metabolism : Nerve Endings.
- physiology : Fishes.
- ultrastructure : Cytoplasmic Granules, Nerve Endings, Pituitary Gland, Anterior.
- Animals, Cell Count, Female, Histocytochemistry, Microscopy, Electron, Neurosecretion, Reproduction.
Abstract
Quantitative studies have been made on functional condition of neurosecretory terminals in the neurohypophysis of sturgeon females during upstream migration, soon after spawning and 3 or more weeks after the latter. Electronmicroscopically, within each of the 3 types if neurosecretory terminals (A1, A2, B) certain forms were distinguished which correspond to separate phases of the secretory cycle; relative amounts of these forms were determined. Functional correlation in the activity of peptide- (A1, A2) and monoaminergic (B) terminals was observed which reveals itself in synchronous increase of the activity of peptidergic and the decrease in the activity of monoaminergic terminals immediately after spawning. At later stages, inactivation of all the 3 types of terminals takes place. Functional significance of this correlation is discussed in relation to double (peptide- and adrenergic) control of the activity of visceral organs during realization of protective and adaptive reactions of the organism under such natural stress conditions, as spawning.
PubMed: 735596
Links to Exploration step
pubmed:735596Le document en format XML
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Electronmicroscopically, within each of the 3 types if neurosecretory terminals (A1, A2, B) certain forms were distinguished which correspond to separate phases of the secretory cycle; relative amounts of these forms were determined. Functional correlation in the activity of peptide- (A1, A2) and monoaminergic (B) terminals was observed which reveals itself in synchronous increase of the activity of peptidergic and the decrease in the activity of monoaminergic terminals immediately after spawning. At later stages, inactivation of all the 3 types of terminals takes place. Functional significance of this correlation is discussed in relation to double (peptide- and adrenergic) control of the activity of visceral organs during realization of protective and adaptive reactions of the organism under such natural stress conditions, as spawning.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">735596</PMID><DateCreated><Year>1979</Year><Month>03</Month><Day>24</Day></DateCreated><DateCompleted><Year>1979</Year><Month>03</Month><Day>24</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0044-4529</ISSN><JournalIssue CitedMedium="Print"><Volume>14</Volume><Issue>6</Issue><PubDate><MedlineDate>1978 Nov-Dec</MedlineDate></PubDate></JournalIssue><Title>Zhurnal evoliutsionnoi biokhimii i fiziologii</Title><ISOAbbreviation>Zh. Evol. Biokhim. Fiziol.</ISOAbbreviation></Journal><ArticleTitle>[Relationship between the spawning process and quantitative ultrastructural analysis of the neurosecretory elements of the neurohypophysis of female Acipenser güldenstädti sturgeon].</ArticleTitle><Pagination><MedlinePgn>566-70</MedlinePgn></Pagination><Abstract><AbstractText>Quantitative studies have been made on functional condition of neurosecretory terminals in the neurohypophysis of sturgeon females during upstream migration, soon after spawning and 3 or more weeks after the latter. Electronmicroscopically, within each of the 3 types if neurosecretory terminals (A1, A2, B) certain forms were distinguished which correspond to separate phases of the secretory cycle; relative amounts of these forms were determined. Functional correlation in the activity of peptide- (A1, A2) and monoaminergic (B) terminals was observed which reveals itself in synchronous increase of the activity of peptidergic and the decrease in the activity of monoaminergic terminals immediately after spawning. At later stages, inactivation of all the 3 types of terminals takes place. Functional significance of this correlation is discussed in relation to double (peptide- and adrenergic) control of the activity of visceral organs during realization of protective and adaptive reactions of the organism under such natural stress conditions, as spawning.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Garlov</LastName><ForeName>P E</ForeName><Initials>PE</Initials></Author><Author ValidYN="Y"><LastName>Belen'kiĭ</LastName><ForeName>M A</ForeName><Initials>MA</Initials></Author><Author ValidYN="Y"><LastName>Polenov</LastName><ForeName>A L</ForeName><Initials>AL</Initials></Author></AuthorList><Language>rus</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D004740">English Abstract</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><VernacularTitle>Kolichestvennyĭ ul'trastrukturnyĭ analiz neĭrosekretornyk élementov neĭrogipofiza samok osetra Acipenser guldenstadti v sviazi s protsessom neresta.</VernacularTitle></Article><MedlineJournalInfo><Country>Russia (Federation)</Country><MedlineTA>Zh Evol Biokhim Fiziol</MedlineTA><NlmUniqueID>21820250R</NlmUniqueID><ISSNLinking>0044-4529</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010455">Peptides</NameOfSubstance></Chemical><Chemical><RegistryNumber>X4W3ENH1CV</RegistryNumber><NameOfSubstance UI="D009638">Norepinephrine</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002452" MajorTopicYN="N">Cell Count</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003594" MajorTopicYN="N">Cytoplasmic Granules</DescriptorName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006651" MajorTopicYN="N">Histocytochemistry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008854" MajorTopicYN="N">Microscopy, Electron</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009411" MajorTopicYN="N">Nerve Endings</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009489" MajorTopicYN="N">Neurosecretion</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009638" MajorTopicYN="N">Norepinephrine</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010455" MajorTopicYN="N">Peptides</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010903" MajorTopicYN="N">Pituitary Gland, Anterior</DescriptorName><QualifierName UI="Q000648" MajorTopicYN="Y">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012098" MajorTopicYN="Y">Reproduction</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1978</Year><Month>11</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1978</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1978</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">735596</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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