Share this entry
ductus Line breaks: ductus
Pronunciation: /ˈdʌktəs/

Definition of ductus in English:

noun (plural ductiˈdʌktʌɪ)

A duct: ductus venosus
More example sentences
  • Near the prostate gland, the ductus is enlarged to form the ampulla; immediately thereafter, it is joined by the duct from the seminal vesicle.
  • The pulmonary artery - which, after birth, will carry blood from the heart to the lungs - instead sends blood directly back to the heart through a fetal blood vessel called the ductus arteriosus.
  • Before birth, a large artery called the ductus arteriosus lets the blood bypass the lungs because the fetus gets its oxygen through the placenta.


Mid 17th century: from Latin, literally 'leading'.

Definition of ductus in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources