Definition of ductus in English:

ductus

nounPlural ducti ˈdʌktəsˈdəktəs

Anatomy

A duct.
〔剖〕管；导管
ductus venosus
Example sentencesExamples
- 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 duct contained in the ring joins the ductus pancreaticus near the duodenum.
- Before birth, a large artery called the ductus arteriosus lets the blood bypass the lungs because the fetus gets its oxygen through the placenta.
- The ductus arteriosus usually closes within 24 hours of birth and is obliterated anatomically in 1-8 weeks.
- 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.
Synonyms
tube, channel, passage, canal, vessel

Origin

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

Definition of ductus in US English:

ductus

nounˈdəktəs

Anatomy

A duct.
〔剖〕管；导管
ductus venosus
Example sentencesExamples
- 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.
- The ductus arteriosus usually closes within 24 hours of birth and is obliterated anatomically in 1-8 weeks.
- Before birth, a large artery called the ductus arteriosus lets the blood bypass the lungs because the fetus gets its oxygen through the placenta.
- The duct contained in the ring joins the ductus pancreaticus near the duodenum.
- Near the prostate gland, the ductus is enlarged to form the ampulla; immediately thereafter, it is joined by the duct from the seminal vesicle.
Synonyms
tube, channel, passage, canal, vessel

Origin

Mid 17th century: from Latin, literally ‘leading’.

单词	ductus
释义	Definition of ductus in English: ductus nounPlural ducti ˈdʌktəsˈdəktəs Anatomy A duct. 〔剖〕管；导管 ductus venosus Example sentencesExamples 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 duct contained in the ring joins the ductus pancreaticus near the duodenum. Before birth, a large artery called the ductus arteriosus lets the blood bypass the lungs because the fetus gets its oxygen through the placenta. The ductus arteriosus usually closes within 24 hours of birth and is obliterated anatomically in 1-8 weeks. 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. Synonyms tube, channel, passage, canal, vessel Origin Mid 17th century: from Latin, literally 'leading'. Definition of ductus in US English: ductus nounˈdəktəs Anatomy A duct. 〔剖〕管；导管 ductus venosus Example sentencesExamples 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. The ductus arteriosus usually closes within 24 hours of birth and is obliterated anatomically in 1-8 weeks. Before birth, a large artery called the ductus arteriosus lets the blood bypass the lungs because the fetus gets its oxygen through the placenta. The duct contained in the ring joins the ductus pancreaticus near the duodenum. Near the prostate gland, the ductus is enlarged to form the ampulla; immediately thereafter, it is joined by the duct from the seminal vesicle. Synonyms tube, channel, passage, canal, vessel Origin Mid 17th century: from Latin, literally ‘leading’.
随便看	jack pine jack plane jack-plane jack-planed jack plug jackpot jackpots jack pudding jackrabbit jackrabbits jack robinson jack roller jack-rolling jack rose jack ruby Jack Russell jack russell terrier Jack Russell terrier jacks jacks jack's alive jack sb around jack scott jack screw jack shaft