منابع مشابه
MUSCARINIC RECEPTOR SUBTYPES IN SMOOTH MUSCLE FROM THE BODY OF HUMAN STOMACH
Up to date, there are four pharmacologically characterized subtypes of muscarinic receptors (M1, M2, M3 and M4). In our study we have investigated muscarinic receptor subtypes in smooth muscle layers of human stomach. Isolated preparations of longitudinal and circular muscle layers from human stomach were used. Acetylcholine, bethanechol, carbachol, pilocarpine and AHR -602 produced concen...
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The diagnosis of uterine leiomyosarcoma is usually straightforward since most clinically malignant smooth muscle tumors of the uterus show the microscopic constellation of hypercellularity, severe nuclear atypia, and high mitotic rate generally exceeding 15 mitotic figures per 10 high-power-fields (MF/10 HPF). Frequently, one or more supportive clinicopathologic features such as perior postmeno...
متن کاملSodium Flux in the Smooth Muscle of Frog Stomach
Sodium efflux from rings of frog stomach muscle was measured at 5 degrees and 15 degrees C in three different steady states. After incubation in normal, K-free, or ouabain (10(-4)M) solutions, intracellular cations stabilized at markedly differing levels. At 5 degrees C, inhibition of Na extrusion was shown in the rate coefficients for (22)Na efflux, which were slightly smaller in K-free than i...
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Cation composition of frog smooth muscle cells was investigated. Fresh stomach muscle rings resembled skeletal muscle, but marked Na gain and K loss followed immersion. Mean Na (49.8-79.7 mM/kg tissue) and K (61.8-80.1 mM/kg tissue) varied between batches, but were stable for long periods in vitro. Exchange of 6-30 mM Na/kg tissue with (22)Na was extremely slow and distinct. Extracellular water...
متن کاملmuscarinic receptor subtypes in smooth muscle from the body of human stomach
up to date, there are four pharmacologically characterized subtypes of muscarinic receptors (m1, m2, m3 and m4). in our study we have investigated muscarinic receptor subtypes in smooth muscle layers of human stomach. isolated preparations of longitudinal and circular muscle layers from human stomach were used. acetylcholine, bethanechol, carbachol, pilocarpine and ahr -602 produced concentrati...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1969
ISSN: 0003-4932
DOI: 10.1097/00000658-196908000-00012