sinus venosus
sinus venosus · sinus venosi
The first chamber of the heart in fish, amphibians, and reptiles, emptying into the…The first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium.
UK/ˌsʌɪ.nəs viːˈnəʊ.səs/US/ˌsaɪ.nəs ˌviˈnoʊ.səs/
Meaning
2 sensesThe first chamber of the heart in fish, amphibians, and reptiles, emptying into the right atrium.
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.
Translations
1 languagesOrigin
Unadapted borrowing from New Latin sinus vēnōsus (“venous hollow”).Unadapted borrowing from New Latin sinus vēnōsus (“venous hollow”).
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: sinus venosiLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular