One of the mysteries of the English language finally explained.
A duct.‘ductus venosus’
tube, channel, passage, canal, vesselView synonyms
- ‘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 ductus arteriosus usually closes within 24 hours of birth and is obliterated anatomically in 1-8 weeks.’
- ‘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 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.’
Mid 17th century: from Latin, literally ‘leading’.
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