Displaying similar documents to “Axiomatizability in fuzzy logic”

Ulteriori osservazioni sulla rigenerazione del mesencefalo in Xenopus laevis (Daudin). Istologia del tetto ottico normale e rigenerato

Sergio Filoni, Vito Margotta, Giancarlo Gibertini (1971)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

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The histology of normal and regenerated optic lobes was examined in young specimens of Xenopus laevis by applying the Golgi-Cox method. In the operated animals the unilateral ablation of the optic lobe has been performed at the early larval stages (48-51) and at the later larval stages (55-56), according to Nieuwkoop and Faber. From our observations we drew the following conclusions: 1) The histological features of the optic tectum of Xenopus laevis are essentially similar to those of...

Sulla terminazione nel ponte delle afferenze propriocettive dei muscoli estrinseci dell'occhio

Giovanni Palmieri, Rolando Marini, Ermanno Manni (1972)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

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Cells responsive to stretching individual eye muscles were identified electrophysiologically in the medial dorso-lateral part of the semilunar ganglion of the Lamb. The destruction of such a cellular pool was followed by degeneration of some spindles in those eye muscles whose stretch had elicited responses of the gasserian cells and of some nervous fibers in the ophthalmic branch, in the sensory trigeminal root and in the ipsilateral descending trigeminal tract. The degenerations ended...

Sintesi di acidi ribonucleici e di proteine nelle diverse regioni dell'embrione di Xenopus laevis

Marisa Leonardi Cigada, Fiorenza Laria De Bernardi, Anna Maria Scarpetti Bolzern (1975)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

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An analysis of RNA and protein synthesis has been carried out on Xenopus laevis embryos, cut into two portions, during the early stages of their development. Actinomycin D was employed to inhibit the synthesis. The action of actinomycin on synthesis is stronger during gastrulation than during neurulation. In each stage a correlation between RNA synthesis inhibition and protein synthesis inhibition has been observed. In the ventral fragments of the neurula the ratio between the two inhibitions...

Riarrangiamenti cromosomici in Bacillus rossius (Insecta, Cheleutoptera) dell'Isola del Giglio

Valerio Scali, Paolo Mosti (1975)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti

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Seven males of the stick insect B. rossius (out of the twenty collected on the Isola del Giglio in July 1974) have shown a chromosomal rearrangement of a definite kind in all the spermatogonia and spermatocytes I which could be analysed in spite of extensive stickiness. Five of them had a pericentric inversion affecting one of the medium sized autosomes (4 heterozygotes and 1 homozygote); this chromosomal rearrangement appears to be the same in the 5 specimens. For one of the heterozygotes...