sinus venosus

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sinus venosus

/ˌsʌɪ.nəs viːˈnəʊ.səs/ UK
/ˌsaɪ.nəs ˌviˈnoʊ.səs/ US

Rhymes with -əʊsəs

Where it comes from

Unadapted borrowing from New Latin sinus vēnōsus (“venous hollow”).

noun sinus venosi · venous sinus

The 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

Every language

noun pouch adjoining the heart

中文	靜脈竇 /静脉窦 jìngmài dòu

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MLA

"sinus venosus." Wiktionary, via Micwyn, micwyn.com/word/sinus%20venosus. Accessed 6 Nov. 2026.

APA

sinus venosus. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/sinus%20venosus

Chicago

"sinus venosus." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/sinus%20venosus.

BibTeX

@misc{sinus_venosus_2026,
  title = {sinus venosus},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/sinus%20venosus},
  urldate = {2026-11-06}
}