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Biomedical subjects

I I Grintsevich

Publications and source records attributed to I I Grintsevich.

At least 19 recordsLinked to original sources
PubMed1985

[Morphofunctional status of the thymus in guinea pigs exposed to thymus and bone marrow preparations].

Study of the effect of the polypeptide thymic factor (thymalin) and the polypeptide bone marrow factor (hemalin) on the morphofunctional status of the thymus in guinea-pigs has shown that injection of thymalin into animals increases the count of small lymphocytes whereas injection of hemalin the count of medium-sized lymphocytes and lymphoblasts. Injection of thymalin magnifies the size of the nuclei of the reticuloendothelial cells.

Animals↗
PubMed1984

[Thymic carcinoids].

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Adrenocorticotropic Hormone↗
PubMed1984

[Mucoepidermoid tumor of the thymus gland].

The description of mucoepidermoid tumour of the thymus in a 14-year-old girl is given. The observation is of interest due to unusual localization and the rarity of thymic tumours in children.

Adolescent↗
PubMed1984

[Morphological changes in the thymus in experimental autoimmune hemolytic anemia].

Morphological changes in the mouse thymus in the experimental autoimmune hemolytic anemia were correlated with the results of the study of the immune status. The epithelial component of the thymus was more involved in the response to the experimental autoimmune hemolytic anemia during the whole experiment; this allows one to assume that just this component predetermines the character of this autoimmune process.

Anemia, Hemolytic, Autoimmune↗
PubMed1983

[Morphofunctional state of organs of immunogenesis and adrenal glands after administration of a thymus preparation (thymaline)].

Comparative characterization of morphofunctional changes in the thymus, secondary immunogenesis organs, and adrenal cortex after 10-day subcutaneous inoculations of CBA mice with a thymus preparation, thymaline, showed enhanced thymus functioning and not very marked signs of migrational activity of lymphocytes in lymph nodes under conditions of a prolonged effect of thymaline in normal animals to run in a reduced hormonal activity of adrenocorticocytes.

Acid Phosphatase↗
PubMed1979

[Effect of progesterone and estrogens on the state of the hypothalamo-hypophyseal neurosecretory system in pregnancy and labor].

Morphofunctional state of the hypothalamo-hypophyseal neurosecretory system was studied in rats at late stages of pregnancy. No special differences both in function of the supraoptical and praventricular nuclei, and in the hypophysis of intact and pregnant rats at administration of progesterone were noted. When estrogenes were administered to pregnant animals, a sharp increase in functioning of the supraoptic and especially of the paraventricular nuclei was noted. The greatest activity of the supraoptic nucleus was observed at delivery that could be resulted from a stress reaction to pain.

Animals↗
PubMed1977

[Effect of polypeptides isolated from the anterior hypothalamus and epiphysia on cells of the hypothalamo-hypophyseal neurosecretory system].

A comparative study on the influence of physiologically active substances, extracted from the epiphysis and the anterior hypophalamus, on the morpho-functional status of the cells of the hypophalamo hypophysial neurosecretory system was carried out. The substances in question were extracted from the cattie epiphysis and anterior hypothalamus by means of acetic acid extraction from acetone-dehydrated tissue and the following sedimentation of the substances by means of cooled acetone and lyophilization. The investigation of the substances demonstrated them to be polypeptides with an average molecular weights from 2.000 to 10.000. The experiment was done in male rats Wistar strain Morphofunctional status of the hypothalamo-hypophysial neurosecretory system was estimated in paraffin sections, stained with paraldehyde-fuchsine after Gomori- Gabe and additional staining with azan after Heidenhain. The data obtained demonstrated that injection of the substances excreted by the anterior hypothalamus and epiphysis produced opposite changes in the functional status of the cells of the hypothalamo-hypophysial neurosecretory system: the substances from the epiphysis increased, while the substances from the hypothalamus, on the contrary, decreased their activity.

Animals↗