155 research outputs found

    Mecholyl aerosolized in the surrounding lung increases the resistance of the collateral pathways.

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    Collateral ventilation allows gas exchange in pulmonary units distal to an airway obstruction. Regional control of this airflow may be possible because smooth muscle exists in the wall of collateral pathways. Evidence of an intrasegmental cholinergic control of these pathways has been previously shown. We performed this study to investigate the possible control of collateral ventilation by cholinergic receptors situated in the surrounding lung. By using the wedged catheter technique, we measured collateral resistance before and after aerosolization of methacholine in the lung surrounding the wedged segment: both collateral resistance and the time constant for collateral ventilation increased, providing that a cholinergic stimulation in the surrounding lung can influence collateral pathways. Fast and complete reversibility was obtained after isoproterenol or atropine injection. Collateral obstruction would seem to be due, therefore, to a muscular spasm. The effective compliance of the wedged segment decreased during the spasm induced by mecholyl in the surrounding lung, and could be attributed to an increased interdependence of this segment with surrounding segments. This effect was immediately reversed by intravenous bronchodilators. We conclude that cholinergic receptors on the smooth muscles of the external collateral channels can control collateral ventilation

    Murru (Furio), Filos (Giuseppe Pessolano). Alla riscoperta della didattica del latino in Italia nel settecento e nell'ottocento

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    Delaunois Marcel. Murru (Furio), Filos (Giuseppe Pessolano). Alla riscoperta della didattica del latino in Italia nel settecento e nell'ottocento. In: Revue belge de philologie et d'histoire, tome 59, fasc. 1, 1981. Antiquité. p. 188

    Bonelli (Guido). Il mondo poetico di Pindaro.

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    Delaunois Marcel. Bonelli (Guido). Il mondo poetico di Pindaro.. In: Revue belge de philologie et d'histoire, tome 68, fasc. 1, 1990. Antiquité - Oudheid. pp. 169-170

    Segal (Charles). Poetry and Myth in Ancient Pastoral. Essays on Theocritus and Virgil

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    Delaunois Marcel. Segal (Charles). Poetry and Myth in Ancient Pastoral. Essays on Theocritus and Virgil. In: Revue belge de philologie et d'histoire, tome 61, fasc. 1, 1983. Antiquité — Oudheid. p. 197

    Delebecque (Edouard). Construction de l'Odyssée

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    Delaunois Marcel. Delebecque (Edouard). Construction de l'Odyssée. In: Revue belge de philologie et d'histoire, tome 59, fasc. 1, 1981. Antiquité. pp. 193-194

    Lanza (Letizia) & Fort (Lorenzo). Sofocle. Problemi di tradizione indiretta

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    Delaunois Marcel. Lanza (Letizia) & Fort (Lorenzo). Sofocle. Problemi di tradizione indiretta. In: Revue belge de philologie et d'histoire, tome 72, fasc. 1, 1994. Antiquité — Oudheid. p. 145

    Lanza (Letizia) & Fort (Lorenzo). Sofocle. Problemi di tradizione indiretta

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    Delaunois Marcel. Lanza (Letizia) & Fort (Lorenzo). Sofocle. Problemi di tradizione indiretta. In: Revue belge de philologie et d'histoire, tome 72, fasc. 1, 1994. Antiquité — Oudheid. p. 145

    Granatelli (Rossella). Apollodori Pergameni ac Theodori Gadarei testimonia et fragmenta (accedunt Apollodoreorum ac Theodoreorum testimonia et fragmenta).

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    Delaunois Marcel. Granatelli (Rossella). Apollodori Pergameni ac Theodori Gadarei testimonia et fragmenta (accedunt Apollodoreorum ac Theodoreorum testimonia et fragmenta). . In: Revue belge de philologie et d'histoire, tome 73, fasc. 1, 1995. Antiquité - Oudheid. p. 180

    Nazzaro (Antonio V.) éd. Enzo V. Marmorale. Atti della giornata di studio, Benevento 7 ottobre 1989

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    Delaunois Marcel. Nazzaro (Antonio V.) éd. Enzo V. Marmorale. Atti della giornata di studio, Benevento 7 ottobre 1989. In: Revue belge de philologie et d'histoire, tome 72, fasc. 1, 1994. Antiquité — Oudheid. p. 125

    Pindaro. I Peani. Testo, trad., scoli e commento a cura di Bona (Giacoma)

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    Delaunois Marcel. Pindaro. I Peani. Testo, trad., scoli e commento a cura di Bona (Giacoma). In: Revue belge de philologie et d'histoire, tome 70, fasc. 1, 1992. Antiquité — Oudheid. pp. 200-201
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