Right ventricle

Right Ventricle The right ventricle is one of the four chambers (two cardiac atria and two ventricles) of the heart. The right ventricle receives non-oxygenated blood from the right atrium through the tricuspid valve and pumps it out of the heart through the pulmonary artery.


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It is triangular and spheroidal in shape in which the aortic cone is housed, and extends from the right atrium to the vicinity of the vertex of the heart.

Its branches correspond to the entrance and exit chambers, forming an approximate angle of 60º. The chambers are separated from each other by a muscular arch called crista supraventricularis, which forms an almost complete hole called ostium infundibuli.

The crystal is made up of the septal band, the thick muscular trabecula and the parietal band. From the distal portion of the septal band, the second order trabecula that emerges from the distal portion of the septal band is the moderator beam, also known as a septomarginal trabecula.

The papillary muscle of the cone (or Lancisi) is located next to the junction of both bands. The space between the parietal band, the tricuspid, and the ventricular septum is called the subinfundibular fossa.


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