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Letna dinamika založnih snovi pri pajku Meta menardi (Latreille) : (Arachnida: Araneae: Tetragnathidae) : magistrsko delo = [Annual dynamics of reserve substances in the spider Meta menardi (Latreille) : (Arachnida: Araneae: Tetragnathidae) : master of science thesis]Tkavc, TinaPajki Meta menardi so ena dominantnih vrst organizmov v vhodnih delih jam in so po navedbah mnogih avtorjev delno prilagojeni na podzemeljske habitate. V naši raziskavi smo želeli ugotoviti, ali se ... omenjene prilagoditve odražajo tudi v dinamiki porabe založnih snovi. Te smo spremljali z biokemijskimi analizami lipidov in glikogena ter s histološkimi analizami založnih tkiv v predelu srednjega črevesa eno leto vsak neparni mesec ter februarja. Ugotovili smo, da pri samcih vrhunci v količini lipidov sovpadajo z meseci množičnih migracij plena v jame in iz njih. Pri samicah se lipidi kopičijo od konca februarja do konca maja, ko jih je največ. Glikogen se je tako pri samcih kot pri samicah kopiči od konca februarja do julija, ko doseže absolutno največje količine, od poletnih mesecev do konca februarja pa njegova količina upada. Samci v primerjavi s samicami porabijo relativno manj energijskih zalog. Oboji porabljajo pretežno lipide, samice relativno več glikogena kot samci. Pri samcih je količina založnih lipidov obratno sorazmerna s premeri lipidnih kapelj v srednjem črevesu, pri samicah pa premosorazmerna. Količina lipidov v divertiklih srednjega črevesa narašča od proksimalnega proti distalnemu delu, medtem ko je gradient količin proencimatskih veziklov obraten. Na podlagi rezultatov sklepamo, da je v populacijskih, biokemijskih in histoloških značilnostih M menardi še vedno bolj odražen njen epigeični kot hipogeični značaj.Type of material - master's thesis ; adult, seriousPublication and manufacture - Maribor : [T. Tkavc], 2008Language - slovenianCOBISS.SI-ID - 16412424
Author
Tkavc, Tina
Other authors
Novak, Tone, 1950- |
Lipovšek Delakorda, Saška
Topics
biologija |
pajki |
Meta menardi |
glikogen |
lipidi |
srednje črevo |
magistrska dela
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Library | Call number – location, accession no. ... | Copy status |
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Miklošič Library FPNM, Maribor | D MAG 57/59 TKAVC T. Letna IN: 920080116 |
available - reading room |
University of Maribor Library | Skladišče II 70172 | available - reading room |
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Tkavc, Tina | 30932 |
Novak, Tone, 1950- | 13133 |
Lipovšek Delakorda, Saška | 16402 |
Source: Personal bibliographies
and: SICRIS
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