نتایج جستجو برای: vasoactive substances
تعداد نتایج: 62547 فیلتر نتایج به سال:
Retinal capillary pericytes are believed to have a contractile function and to regulate retinal blood flow at the microvascular level. Membrane potential is an important control element for contractility in smooth muscle cells. In the present study, bovine retinal capillary pericytes have been grown in tissue culture and membrane potentials have been measured using glass microelectrodes. Restin...
• It seems fairly well established that chlorothiazide reduces the rise in arterial pressure produced by intravenously injected Z-epinephrine and levarterenol in the normotensive animal and in the normotensive and hypertensive human. Chlorothiazide has also been shown to increase the effectiveness of a variety of antihypertensive agents and the reduction of arterial blood pressure in the sympat...
OBJECTIVES The main objective of this study was to investigate the variations of β-endorphin (β-EP), vasoactive intestinal peptide (VIP), serotonin (5-HT) and norepinephrine (NE) of immune thrombocytopenia (ITP) mice as well as the regulatory mechanism of prednison. MATERIALS AND METHODS Sixty BALB/c mice were randomly divided into control group, model group and prednison intervention group. ...
We exposed helical strips of dog middle cerebral arteries to oxyhemoglobin for 5 hours, rinsed them with bathing medium, and stored them overnight; we compared the responses of strips thus treated with the responses of strips without oxyhemoglobin treatment. Relaxation induced by nicotine was abolished by hexamethonium and was markedly inhibited after exposure to oxyhemoglobin. A low concentrat...
during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...
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