释义 |
sinus ve·no·sus \-vəˈnōsəs\ noun Etymology: New Latin, venous sinus 1. : a distinct chamber of the heart formed by the union of the large systemic veins and opening into the auricle in lower vertebrates and the embryos of higher forms 2. : the main cavity of either auricle especially of the human heart 3. : the part of the right auricle between the openings of the venae cavae |