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In chicken Leghorn, blood flow volume speed in pectoralis and gastrocnemius muscles was measured on 15 and 19 day-old embryos and at the 1st and the 10th days alter hatching. It was revealed that in the last quarter of embryogenesis BF in muscles did not vary remaining in both muscles in identical limits. Similar BF parameters in pectoralis and(More)
Studies in Leghorn chickens during the second half of embryogenesis and in four-day-old chicks addressed volume blood flow rate (VBFR) reactions in the superficial layers of the cerebral hemispheres and skeletal muscles by laser Doppler flowmetry) in response to the local actions of noradrenaline and sodium nitroprusside. The reactions to these substances(More)
The aim of the study was to find the quantitative relationship of postnatal changes in the glomeruli anatomic structure with the blood flow in kidneys. Kidney development was studied in 4-, 12-, 30-, and 65-day-old Wistar rats. Diameters of glomerulus (Dgl, μm), afferent and efferent arterioles (Daf and Def), and the glomeruli density (Ngl/mm−3) were(More)
Using light and electron microscopy, more rapid morphological development of m. gastrocnemius as compared to m. pectoralis was demonstrated in chicken by the 10th day. In m. pectoralis some immature fibers with centrally located nuclei are found, its muscle fibers are generally thinner, contain smaller mitochondria which occupy lesser relative volume, and(More)
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