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La adventicia: estado actual del conocimiento / The Adventitia: Current State of Knowledge
Cabrera Fischer, Edmundo I.
  • Cabrera Fischer, Edmundo I; Favaloro University. Buenos Aires. AR
Rev. argent. cardiol ; 76(1): 58-63, ene.-feb. 2008. graf
Article in Spanish | LILACS | ID: lil-633974
RESUMEN
La adventicia se ha definido como la capa de tejido conectivo más externa de un vaso y no formaría una unidad con la estructura vascular. El término "adventicia" proviene del latín adventicius, que significa "venido de afuera, extraño". Estos conceptos tal vez constituyan la causa de la subestimación del papel fisiológico de esta túnica. Al presente es bien conocido que la adventicia contiene vasa vasorum y nervi vasorum con funciones nutricionales y de control, respectivamente. A ello se suma la presencia de factores bioquímicos que serían responsables de cambios en la conducta elástica y viscosa de la pared arterial a través de una regulación de la función muscular lisa. En este trabajo se realiza una síntesis del papel estructural y fisiológico de la adventicia; se analizan además datos clínicos y experimentales que se comparan con resultados originales publicados por el autor.
ABSTRACT
The adventitia has been defined as the outermost connective tissue covering of a vessel, and does not form an integral part of the vascular structure. The term "adventitia" comes from the Latin word adventicius, meaning "coming from abroad, foreign". These concepts may explain why the physiological role of this tunic has been underestimated. It is well known that the adventitia has vasa vasorum and nervi vasorum with nutritional and control functions, respectively. In addition, biochemical factors may probably account for changes seen in elastic and viscous behaviour of the arterial wall due to changes in smooth muscle function. This study reports a summary of the structural and physiological role of the adventitia clinical and experimental data are also analyzed and compared with the original outcomes published by the author.

Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Rev. argent. cardiol Journal subject: Cardiology / Doen‡as Cardiovasculares Year: 2008 Type: Article Affiliation country: Argentina Institution/Affiliation country: Favaloro University/AR

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Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Rev. argent. cardiol Journal subject: Cardiology / Doen‡as Cardiovasculares Year: 2008 Type: Article Affiliation country: Argentina Institution/Affiliation country: Favaloro University/AR