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Gallbladder contraction and its relationship to interdigestive duodenal motor activity in normal human subjects. 1988

L Marzio, and M Neri, and F Capone, and F Di Felice, and C De Angelis, and A Mezzetti, and F Cuccurullo
Istituto di Fisiopatologia Medica, Universita' di Chieti, Ospedale SS. Annunziata, Italy.

Gallbladder volume and interdigestive gastric and duodenal motor activity were evaluated simultaneously in 12 normal subjects. After overnight fasting, gallbladder volume was monitored every 4 min in each subject by means of real-time ultrasonography, and gastroduodenal motor activity was measured by means of a probe consisting of three polyvinyl catheters with one side opening for each catheter, placed 15 cm apart and constantly perfused with deionized water. Real-time ultrasonography and intestinal manometry were performed by different investigators and continued until at least two consecutive spontaneous phase III activities of migrating motor complexes were observed. The results show a cyclic variation of gallbladder volume, which reached its minimum value before the end of phase II in the proximal duodenum and its maximum in early phase II, 25 min after the beginning of phase III. These results suggest that there is a relationship between the cyclic gallbladder volume changes, which occur during fasting in humans, and with the various phases of duodenal migrating motor complex.

UI MeSH Term Description Entries
D008365 Manometry Measurement of the pressure or tension of liquids or gases with a manometer. Tonometry,Manometries
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D009130 Muscle, Smooth Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed) Muscle, Involuntary,Smooth Muscle,Involuntary Muscle,Involuntary Muscles,Muscles, Involuntary,Muscles, Smooth,Smooth Muscles
D004063 Digestion The process of breakdown of food for metabolism and use by the body.
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
D005215 Fasting Abstaining from FOOD. Hunger Strike,Hunger Strikes,Strike, Hunger,Strikes, Hunger
D005704 Gallbladder A storage reservoir for BILE secretion. Gallbladder allows the delivery of bile acids at a high concentration and in a controlled manner, via the CYSTIC DUCT to the DUODENUM, for degradation of dietary lipid. Gallbladders
D005769 Gastrointestinal Motility The motor activity of the GASTROINTESTINAL TRACT. Intestinal Motility,Gastrointestinal Motilities,Intestinal Motilities,Motilities, Gastrointestinal,Motilities, Intestinal,Motility, Gastrointestinal,Motility, Intestinal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014463 Ultrasonography The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz. Echography,Echotomography,Echotomography, Computer,Sonography, Medical,Tomography, Ultrasonic,Ultrasonic Diagnosis,Ultrasonic Imaging,Ultrasonographic Imaging,Computer Echotomography,Diagnosis, Ultrasonic,Diagnostic Ultrasound,Ultrasonic Tomography,Ultrasound Imaging,Diagnoses, Ultrasonic,Diagnostic Ultrasounds,Imaging, Ultrasonic,Imaging, Ultrasonographic,Imaging, Ultrasound,Imagings, Ultrasonographic,Imagings, Ultrasound,Medical Sonography,Ultrasonic Diagnoses,Ultrasonographic Imagings,Ultrasound, Diagnostic,Ultrasounds, Diagnostic

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