Ontogenetski razvoj spodnje čeljustnice pri vrtni voluharici (Microtus subterraneus) pristop z geometrijsko morfometrijo; Postnatal development of the pine vole Microtus subterraneus geometric morphometric approach : magistrsko delo

(UM)

Ontogenetski razvoj spodnje čeljustnice pri vrtni voluharici (Microtus subterraneus) pristop z geometrijsko morfometrijo = Postnatal development of the pine vole Microtus subterraneus geometric morphometric approach : magistrsko delo

Pšajd, Marko

Z uporabo metod geometrijske morfometrije smo analizirali morfološko variabilnost spodnje čeljustnice pri vrtni voluharici (Microtus subterraneus). Analizirali in ovrednotili smo morebitni pojav ... sekundarnega spolnega diformizma ter variabilnost v velikosti in obliki spodnje čeljustnice med ontogenetskim razvojem. Raziskovalni material je obsegal 236 spodnjih čeljustnic vrtne voluharice vzgojenih v in vitro pogojih na Karlovi Univerzi v Pragi. Sekundarni spolni dimorfizem ni bil izražen niti v velikosti niti obliki spodnje čeljustnice, zato smo oba spola obravnavali združeno. Velikost in oblika spodnje čeljustnice vrtne voluharice sta se tekom ontogeneze spreminjali. Z največjo stopnjo rasti se je spodnja čeljustnica razvijala do šestdesetega dneva starosti, po tem pa je bila rast umirjena a konstantna, razvoj oblike pa se je zaustavil. Potrdili smo signifikantne razlike v velikosti spodnje čeljustnice med starostnimi razredi. Juvenilni osebki imajo najmanjšo spodnjo čeljustnico, ki pa se s starostjo konstantno povečuje skozi celotno življenjsko obdobje. Oblika spodnje čeljustnice se je spreminjala glede na starostne razrede. Najbolj so odstopali juvenilni osebki medtem ko pri adultnih in senilnih osebkih ni prihajalo do značilnih razlik v obliki spodnje čeljustnice. Spodnje čeljustnice mlajših in starejšh osebkov so odstopale od povprečne oblike v alveolni regiji in v njenem zadnjem delu. Z analizo ontogenetske alometrije smo dokazali tesno povezavo med obliko in velikostjo spodnje čeljustnice. Odnos med obliko in velikostjo je bil pri vseh starostnih skupinah bolj ali manj linearen.

Type of material - master's thesis ; adult, serious

Publication and manufacture - Maribor : [M. Pšajd], 2021

Language - slovenian

COBISS.SI-ID - 84852739

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Digital Library of the University of Maribor – DLUM

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Janžekovič, Franc, 1962- | Kryštufek, Boris, 1954-

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Library	Call number – location, accession no. ...	Copy status
Miklošič Library FPNM, Maribor	D MAG 57/59 PŠAJD M. Ontogenetski IN: 920210052	available - reading room

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Year	Impact factor		Edition		Category		Classification
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Pšajd, Marko
Janžekovič, Franc, 1962-	13134
Kryštufek, Boris, 1954-	09211

Source: Personal bibliographies and: SICRIS

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