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Coronary irrigation in Puma concolor (Carnivora: Felidae) / Irrigación coronaria en Puma concolor (Carnivora: Felidae)
Viotto-Souza, Wilson; Souza Junior, Paulo de; Carvalho, Amarílis Díaz de; Abidu-Figueiredo, Marcelo; Santos, André Luiz Quagliatto.
  • Viotto-Souza, Wilson; Federal University of Pampa. Laboratory of Animal Anatomy. Uruguaiana. BR
  • Souza Junior, Paulo de; Federal University of Pampa. Laboratory of Animal Anatomy. Uruguaiana. BR
  • Carvalho, Amarílis Díaz de; Federal University of Pampa. Laboratory of Animal Anatomy. Uruguaiana. BR
  • Abidu-Figueiredo, Marcelo; Federal Rural University of Rio de Janeiro. Laboratory of Animal Anatomy. Animal Anatomy Area. Department of Animal Biology. Seropédica. BR
  • Santos, André Luiz Quagliatto; Federal University of Uberlândia. Laboratory of Wild Animals Teaching and Research. Uberlândia. BR
Int. j. morphol ; 35(3): 925-930, Sept. 2017. ilus
Article in English | LILACS | ID: biblio-893075
Responsible library: CL1.1
ABSTRACT
This study described the anatomy of the coronary arteries and their main branches in Puma concolor. The hearts of six individuals of Puma concolor, were analyzed. The A. coronaria sinistra formed the ramus interventricularis paraconalis and the ramus circunflexus. A ramus septal was formed close to the origin of the ramus interventricularis paraconalis and yielded from six to eight ventricular branches. The circumflex branch originated from two to five atrial branches and from three to seven ventricular branches. The right coronary artery formed two to six atrial branches, and four to nine ventricular branches. In half of the individuals, an accessory coronary artery was identified as the first branch of the right coronary artery. In all individuals, the subsinusal interventricular branch originated in the right coronary artery. It could be inferred that coronary circulation in Puma concolor is balanced, as each coronary artery yielded an interventricular branch and there was no significant difference in the total number of branches that originated from each coronary artery. These findings are different from the descriptions of most carnivore species, and may aid a better understanding of the phylogenetic relationships and synapomorphies of carnivore coronary circulation, especially in the Felidae family.
RESUMEN
En este estudio se describió la anatomía de las arterias coronarias, y sus principales ramas, en el Puma concolor. Se analizaron los corazones de seis especímenes de Puma concolor. La arteria coronaria izquierda formó la rama interventricular paraconal y la rama circunfleja. Una rama septal se formó cerca del origen de la rama paraconal y otorgó de seis a ocho ramas ventriculares. La rama circunfleja originó de dos a cinco ramas atriales y de tres a siete ramas ventriculares. La arteria coronaria derecha originó de dos a seis ramas atriales y de cuatro a nueve ramas ventriculares. En la mitad de los especímenes, se identificó una arteria coronaria accesoria como la primera rama de la arteria coronaria derecha. En todos los individuos, la rama interventricular subsinusal se originó en la arteria coronaria derecha. Se podría inferir que la circulación coronaria en el Puma concolor es equilibrada, ya que cada arteria coronaria produce una rama interventricular y no hay diferencia significativa en el número total de ramas que se originan de cada arteria coronaria. Estos hallazgos son diferentes de las descripciones de la mayoría de las especies carnívoras y pueden ayudar a una mejor comprensión de las relaciones filogenéticas y de las sinapomorfias de la circulación de los carnívoros, especialmente en la familia Felidae.
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Full text: Available Index: LILACS (Americas) Main subject: Coronary Circulation / Coronary Vessels / Puma Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal Rural University of Rio de Janeiro/BR / Federal University of Pampa/BR / Federal University of Uberlândia/BR

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Full text: Available Index: LILACS (Americas) Main subject: Coronary Circulation / Coronary Vessels / Puma Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal Rural University of Rio de Janeiro/BR / Federal University of Pampa/BR / Federal University of Uberlândia/BR