%0 Journal Article
%T STUDY OF THE ARTERIAL CORONARY CIRCULATION IN THE DOG (Canis familiaris) ESTUDIO DE LA CIRCULACI車N CORONARIA ARTERIAL DEL PERRO (Canis familiaris)
%A Marilena Longo B邦ll
%A M芍rcia Regina Fernandes Boaro Martins
%J Revista chilena de anatom赤a
%D 2002
%I Scientific Electronic Library Online
%X Study on arterial coronary circulation was performed in 30 dog hearts, by using the dissection and clearing techniques. We observed that the heart is supplied by the right coronary artery (a. coronaria dextra) and three branches of the left coronary artery ( a. coronaria sinistra): paraconal interventricular ( ramus interventricularis paraconalis), septal ( ramus septales ) and circumflex arteries (ramus circumflexus). The left coronary artery arose from a trunk in the ventral aortic sinus and, when there was no trunk formation, it was found two different origins in the aorta, corresponding to the circumflex and paraconal interventricular arteries. The latter, after originating right anterior ventricular, left anterior ventricular and septal ventricular arteries, ended next to the heart apex. The circumflex artery presented its course to the left up to the atrial face, where it ended as subsinuous interventricular artery. Arising from the circumflex artery, it was found the auricular ( rami auricularis), ventricular ( rami ventricularis) and septal (rami septales) branches and branches to the atrio-ventricular node ( nodus atrio-ventricularis). The septal artery (ramus septales) was observed to be originated from the paraconal interventricular artery, with lower frequence of the left coronary artery and in two cases of the circumflex artery. The right coronary artery presented no arterial trunk. In that place, there were two separate origins in the aorta or 2-3 origins in a common sinus. This artery emitted auricular, ventricular branches and to the atrio-ventricular node El estudio de la circulaci車n coronaria arterial fue realizado en 30 corazones de canes, aplicando t谷cnicas de disecci車n y diafanizaci車n. Verificamos que el coraz車n estaba irrigado por la arterias coronaria izquierda, arterias interventricular paraconal, septal y circunfleja. La arteria coronaria izquierda se originaba de un tronco en el seno a車rtico ventral y, en los casos donde no hubo formaci車n del tronco, encontramos dos or赤genes separados en la aorta, correspondientes a las arterias circunfleja e interventricular paraconal. Esta 迆ltima, despu谷s de originar ramas ventriculares 芍ntero-derecha, 芍ntero izquierda y septales, terminaba pr車xima al 芍pice del coraz車n. La arteria circunfleja presentaba un trayecto para la izquierda hasta la cara atrial, donde terminaba como arteria interventricular subsinuosa. Origin芍ndose de la arteria circunfleja encontramos las ramas atriales, ventriculares, septales y para el n車dulo atrioventricular. La arteria septal, fue observada origin芍ndose de la ar
%K Anatom赤a
%K Coraz車n
%K Arterias coronarias
%K Perro
%K Anatomy
%K Heart
%K Coronary artery
%K Dog
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