DUCTUS
\dˈʌktəs], \dˈʌktəs], \d_ˈʌ_k_t_ə_s]\
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By Robley Dunglison
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[Latin] A duct or passage. See Duct. D. arteriosus, a channel in the fetus connecting the pulmonary artery with the descending aorta. D. auditorius, scala media. D. cochleae, the lower portion of the scala media, containing the organ of Corti. D. cochlearis, scala media. D. Cuvieri, see Cuviers sinuses. D. endolymphaticus, a Y-shaped canal serving to connect the utricle and saccule. D. perilymphaticus, a canal lying in the aqueduct of the cochlea and connecting the perilymphatic space of the osseous labyrinth with the general cerebral lymphspace. D. reuniens, the canalis reuniens. D. venosus, one of the terminal branches of the umbilical vein connecting the latter with the inferior vena cava.
By Alexander Duane
Word of the day
tinctura quininae ammoniata
- A preparation made by dissolving quinin sulphate in alcohol [Br. Ph.].