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Localization and morphological features of lymphatic vessels leaving tissues of uterine horns and running through the broad ligament area were studied in mature cows after filling the lumen of the each lymphangion with varicoloured masses, mainly Microfil. The study has revealed that each branch of the lymphatic vessels emerged from both sides of the uterus and then formed double-layered networks, dorsal and ventral in the area of the mesometrium. The lymphatic branches under the uterus are very numerous and consist of enlarged precollector lymphangions. At the level of the ovary, the branches of vessels in both layers interweave each other forming the common pathway suggesting that lymph leaving the bovine uterus can be mixed in branches which are formed by elongated lymphangions running to lymphatic nodes.
Wood macrostructure of Norway spruce (Picea abies [L.] Karst) coming from an experimental site in the Siemianice Forest Experimental Station. The paper presents results of studies concerning the effect of provenance on the share of latewood in annual rings. Analyses were conducted on seven provenances grown on an experimental site located in the Siemianice Forest Experimental Station. It was established which of the investigated provenances have the greatest share of latewood in annual rings. It was also investigated which of the provenances differ significantly in terms of the analysed trait. Measurements were taken on discs collected from breast height of mean sample trees.
The paper presents results of measurements for annual ring widths in reaction, opposite and lateral wood formed in the same vegetation periods in pine (Pinus sylvestris L.). In the compared wood tissues tracheid lengths was also measured. The widest annual rings were found in the reaction wood zone. In that area of the stem cross-section tracheids were by approx. 20% shorter than those located on the opposite side of the pith.
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Reaction of starch with vital gluten on heating

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The temperature-induced reaction between potato starch and vital gluten was studied. IR absorption spectra showed that the reaction is due to the changes in the gluten macro structure induced by a removal of water molecules co-constituting the original structure of vital gluten. Elevated temperature caused complexation of both components of the blend. The complex was stable up to 245°C. Above this temperature the Maillard-type reaction took place. It was manifested by the evolution of volatile products of the rotten onion stench. Starch can complex up to about 30% (w/w) of gluten. The temperature-dependent aqueous solubility and water binding capacity of starch-gluten complexes showed that both indices increase and decrease, respectively, in nonlinear manner.
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