sinus venosus (English, noun)
expansion: sinus venosus (plural sinus venosi)
Senses:
topics: biology
natural-sciences
zoology
zootomy
glosses: The first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium.
topics: anatomy
medicine
sciences
glosses: An enlarged pouch that adjoins the heart, is formed by the union of the large systemic veins, and is the passage through which venous blood enters the heart in lower vertebrates and in embryos of higher forms.
Forms:
form: sinus venosi
tags: plural
form: venous sinus
tags: alternative