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At least 1,027 records · Page 57Linked to original sources
PubMed1989

[Effects of femto- and picomolar concentrations of thyroliberin and tuftsin on the contractile activity of lymphatic vessels of the rat mesentery].

Thyrotropin-releasing-hormone (TRH) in concentration from I g/ml to 1.10(-10) micrograms/ml and tuftsin (T) (10 micrograms/ml to 1.10(-6) micrograms/ml) biomicroscopy were used in rats to show the ability to activate the contraction of lymphatic microvascular walls. TRH in used concentrations stimulated spontaneously contractility of lymphatic vessel's walls or evoked its contractility when it was absent. T stopped the contraction of lymphatic microvascular walls and caused the reaction of vasodilatation.

Animals↗
PubMed1989

[Dynamics of albumin transport across the venule walls of the rat mesentery].

FITC-Albumin was injected into the circulation for estimating transport possibilities of blood microvessels and then investigating its maintenance near vessel wall with the help of the photometry. Velocity of albumin entrance into the interstitium and its top concentration near the wall of consecutive links of venules (20-60 mm) raised. Our data show that it may be caused by enhancing vessel surface and increasing its permeability for this protein.

Albumins↗
PubMed1989

CT of the small bowel and mesentery.

The detection and definition of small bowel pathology is a frequent clinical and radiologic problem. Although contrast radiography and enteroclysis are the primary means of evaluating the small bowel, computed tomography (CT) has become increasingly important as a complementary examination. Initial diagnoses proffered by barium studies may be further characterized by CT and this additional information may have significant impact on patient management.

Humans↗
PubMedDate not supplied

[Oxyurid granuloma of the mesentery].

A 44-year-old woman presented with an acute abdominal syndrome associated with fever. Laparotomy revealed a mesenteric mass; pathology demonstrated a granuloma containing an adult threadworm (Enterobius vermicularis) and its eggs. Ectopic oxyuriasis is rare, and only three cases of peritoneal granuloma distant from the pelvis or the appendix have been reported previously. Our observation is the first case to which a clinical symptomatology could be ascribed. The pathogenesis and the treatment of this particular localization of oxyuriasis are discussed.

Adult↗
PubMed1988

[Updating case studies of primary tumors of the mesentery: angiofibroma involving the superior mesenteric artery].

The authors describe a rare case of jejunal mesenteric angiofibroma involving the superior mesenteric artery, referred to them as a clinical finding of an abdominal mass with associated disorders of alimentary transit. A review of the literature reveals the controversies existing to date on the subject of mesenteric neoplasms. In addition to their rare incidence, also confirmed by our personal experience in two surgical centres, intraligamentous abdominal tumours arouse interest owing to the diagnostic difficulties which as a rule hinder a precise pre-operative orientation and to surgical problems of a tactical nature related to the frequent involvement of adjacent anatomical structures.

Adult↗
PubMed1988

[Changes in the venular epithelium of the mesentery in rats after application of hydrogen peroxide].

The change of the venular permeability and endothelial structure was studied with the aid of fluorometry and electron microscopy after application of H2O2. Transmural transfer rate of FITC-albumin++ and permeable fraction of the vessel walls were increased. There were formed the "leaks" and transendothelial canals in the venular endothelium. Numerous local membrane injuries of the endotheliocytes and pericytes, degranulation of the mast cells and destruction of thrombocytes into the vessel lumen were detected.

Animals↗