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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’.

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更新时间:2025/2/7 4:08:02