Medical Definition of ductus venosus
: a vein passing through the liver and connecting the left umbilical vein with the inferior vena cava of the fetus, losing its circulatory function after birth, and persisting as the ligamentum venosum of the liver
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?