Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Fulvio Zaffagnini"'
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LABRAL GLANDS OF LEPTESTHERIA DAHALACENSIS (BRANCHIOPODA: SPINICAUDATA): AN ULTRASTRUCTURAL STUDY
Autor: Fulvio Zaffagnini, Cristina Zeni
Publikováno v: Journal of Crustacean Biology. 12:661-676
The upper lip of Leptestheria dahalacensis contains 3 types of large, polymorphous, and polynucleate gland cells, forming 5 morphologically and topographically distinguishable glandular groups: 2 lateral (A and B) and 1 median (C). In each group the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efeeb2c29b6cc8f015dcbbe21541247b
https://doi.org/10.1163/193724092x00157
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2
Electron microscopic study on oocytes, nurse cells and yolk formation inLeptestheria dahalacensis(Crustacea, Conchostraca)
Autor: Fulvio Zaffagnini, Cristina Zeni
Publikováno v: Invertebrate Reproduction & Development. 15:119-129
Summary Electron microscopic study of Leptestheria dahalacensis reveals that the oocyte and its three nurse cells are interconnected by intercellular bridges. Along the contact zone between the plasma membranes of two adjacent cells desmosomes and a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66aa4aca73ed28e470342aa04c5dc1fe
https://doi.org/10.1080/07924259.1989.9672032
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3
Occurrence of innervation in labral glands ofDaphnia obtusa (crustacea, cladocera)
Autor: Cristina Zeni, Fulvio Zaffagnini
Publikováno v: Journal of Morphology. 198:43-48
Electron microscopy discloses nerve endings in contact with gland cells situated in the labrum of Daphnia. Swellings of nerve fibers are in close contact with gland cell membranes, either on the cell surface or inserted into infoldings of plasma memb
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::933316ffb60dff75edcb16b7a2e0b36e
https://doi.org/10.1002/jmor.1051980106
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4
Considerations on some cytological and ultrastructural observations on fat cells ofDaphnia(Crustacea, Cladocera)
Autor: Cristina Zeni, Fulvio Zaffagnini
Publikováno v: Bollettino di zoologia. 53:33-39
The fat cells of females of Daphnia obtusa have a well developed rough endoplasmic reticulum, free ribosomes and small Golgi complexes. When the ovaries contain growing parthenogenetic oocytes, the fat cells show few scattered glycogen granules, wher
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::119645ef76b2c9d45b61afcd51651dc9
https://doi.org/10.1080/11250008609355480
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7
Formazione di unFollicoloOvarico e Sua Funzione Nella Genesi Delle Uova Partenogenetiche inDaphnia Magna
Autor: Fulvio Zaffagnini
Publikováno v: Caryologia. 14:231-243
RIASSUNTONella genesi delle uova partenogenetiche in Daphnia magna, vengono prodotte delle particolari cellule somatiche, le quali si dispongono solo attorno ad uno dei quattro ovociti raggruppati, formando una sorta di « follicolo » incompleto. Qu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c64f6105914315146e6fdd5ac88ef4e5
https://doi.org/10.1080/00087114.1961.10796028
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9
Alcune Osservazioni Citologiche e Citochimiche Sulla Maturazione dei Testicoli inDaphnia Magna
Autor: Fulvio Zaffagnini
Publikováno v: Caryologia. 18:1-13
RIASSUNTOE stata studiata la maturazione dei testicoli dei maschi di Daphnia magna stabilendo come tappe di sviluppo le mute con le quali l'animale acquisisce lo stato adulto. Alla nascita i testicoli contengono solo spermatogoni in riposo; alla prim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbe10ad494c13300349b54a49279b54b
https://doi.org/10.1080/00087114.1965.10796153
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