E. V. Fedotov

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To guarantee the normal generat ive function of the male, sex s teroids synthesized in the tes tes by inters t i t ia l t issue cells (Leydig' s cells) and also, possibly, by the sustentacular cells (SC) of the seminiferous tubules (the foll icular cel ls of Sertol[) are essential . The view is held that SC, by producing androgens, regulate the development(More)
The effects of different doses of retinol acetate (RA) on protein synthesis by the hamster ovaries and endometrium were studied. Two groups of CBA/C57BL mice aged 3-4 months were given 3.44% oily RA per os on a daily basis for 10 days. After completion of the experiments the paraffin sections 6 micron m thin were subjected to a histochemical assay for the(More)
A study was made of the influence of various doses of water-soluble retinoic acid on the concentration of lipids and 3-beta-ol steroid dehydrogenase (SD) in the interstitial tissue (IT) and supporting cells (SC) of mouse testicles. Three groups of animals were injected with 1% retinoic acid i. p., with the doses injected being 0.1, 0.2 and 0.3 ml(More)
Clinical supervision diffuse large B-cell lymphoma of the stomach at the patient of young age is presented. Difficulties of the differential diagnostics of lymphom have been caused by macroscopical polyphormism. With the purpose of verification of disease are used the chromoendoscopy and immunohistochemical research.
Distribution of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) in nucleus of various formations of embryonic human brain was studied by histochemical method. Early activity of AChE is characteristic for one formations and early BChE activity is shown for others. In fibers of solitarius tract and particularly of descending tract in the V pair(More)
In the present state of knowledge vitamin A can be regarded as an important regulator of cellular metabolism and of processes of cell division and differentiation, with its main effect on organs of epithelial nature [6, 9, i0, 12]. Both an excess and a deficiency of retinol in the body lead, in particular, to disturbance of RNA and protein synthesis and(More)
Aneurysms of a chest department of an aorta with esophageal perforation two cases are presented and a lethal outcome. Difficulties in diagnostics have been caused by rare occurrence of the given pathology, insufficient experience of clinical physicians, and also absence during supervision of characteristic attributes Aortoesophageal Fistula.
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