noun (plural ducti /-tʌɪ/)Anatomy
- A duct: ductus venosusMore 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'.
More definitions of ductusDefinition of ductus in:
- The US English dictionary