diplomsko delo
Ines Medved (Author), Nada Žnidaršič (Mentor)

Abstract

Prebavilo nevretenčarskega modelnega organizma P. scaber sestavljajo požiralnik, želodec in zadnje črevo ter prebavne žleze. Zadnje črevo delimo na tri anatomsko in funkcijsko različna področja, to so anteriorna komora, papilatna regija in rektum. Vsak del prebavila opravlja določeno funkcijo. Naloga želodca je drobljenje, sortiranje in filtriranje hrane; v anteriorni komori poteka prebava in absorpcija; v papilatni regiji pa transport ionov in reabsorpcija vode Z imunolokalizacijo smo analizirali variabilnost razporeditve mikrotubulov v epitelnih celicah različnih anatomskih regij prebavne cevi. Ugotovili smo, da je največ mikrotubulov v področju tiflosolisa in tiflosolnih gub v zadnjem delu anteriorne komore in v papilatni regiji, kjer so razporejeni v apikalnobazalnih snopih. Veliko mikrotubulov je tudi v apikalnih delih celic inferomedianuma želodca ter celic tiflosolisa in tiflosolnih gub v sprednjem in osrednjem delu anteriorne komore. V splošnem je mikrotubulov več v mehansko bolj obremenjenih delih prebavne cevi.

Keywords

prebavna cev;mikrotubuli;epitel;anteriorna komora;papilatna regija;imunolokalizacija;kopenski raki enakonožci;Porcellio scaber;diplomska dela;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FKKT - Faculty of Chemistry and Chemical Technology
Publisher: [I. Medved]
UDC: 576:591.434(043.2)
COBISS: 1538316995 Link will open in a new window
Views: 638
Downloads: 143
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Other data

Secondary language: English
Secondary abstract: The digestive system of the model invertebrate organism P. scaber consists of the esophagus, stomach, hindgut and digestive glands. Hindgut is divided into three anatomically and functionally distinct parts, the anterior chamber, papillate region, and rectum. Each part of the digestive system has a specific function. The stomach performs mastication, sorting and filtering of the food; in the anterior chamber digestion and absorption of nutrients take place; and in the papillate region ion transport and water reabsorption take place. We analyzed the variability of the microtubule distribution in epithelial cells of different anatomical regions of the digestive tract by immunolocalization. The results show that microtubules are most abundant in the area of typhlosolis and typhlosolic folds in the posterior region of the anterior chamber and in the papillate region, where they are arranged in the apical-basal bundles. A large number of microtubules is also present in the apical parts of cells in inferomedianum of the stomach and in typhlosolis and typhlosolic folds of the anterior and middle regions of the anterior chamber. Microtubules are in general more abundant in mechanically loaded parts of the digestive tract.
Secondary keywords: Porcellio scaber;anterior chamber;papillate region;immunolocalization;microtubules;epithelium;
Type (COBISS): Bachelor thesis/paper
Study programme: 1000371
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za kemijo in kemijsko tehnologijo, UNI Biokemija
Pages: 31 str.
ID: 11216340