| 释义 |
ductus|ˈdʌktəs|
[L. (see duct).]
1. Anat. In various (mod.) Latin phrases = duct 6 a.
1699M. Lister Journey to Paris 72 The same happens to the Ductus Bilaris in its insertion into the Guts. 1722W. Cheselden Anat. Humane Body (ed. 2) iv. iii. 232 When the Umbelical-Vein is stop'd, the Ductus Venosus soon shrinks and Disappears, having no longer any Blood flowing through it. 1811London Dissector (ed. 3) viii. 178 The aorta..is connected to the pulmonary artery by a ligament, which in the fœtus, was a large canal, the Ductus Arteriosus. 1846Dublin Q. Jrnl. Med. Sci. II. 505 Fungous Growth round the Orifice of the Ductus Choledochus. Ibid., The ductus communis was greatly dilated, but the obstruction to the flow of the bile had never been complete. 1927Haldane & Huxley Animal Biol. iv. 97 Ductus arteriosus, derived from part of the embryonic arterial arch system, and connecting pulmonary artery with..the aorta. 1962Davson & Eggleton Princ. Human Phys. (ed. 13) xiii. 297 As the arterial blood of the umbilical vein passes from the placenta, the greater part of it traverses the ductus venosus and enters the inferior vena cava. Ibid. 299 About 78% of the right ventricular output passes into the descending aorta via the ductus arteriosus. Ibid. lxiv. 1480 The vasa efferentia lead to a single long duct, the ductus epididymis.
2. = duct 4; the method of making strokes with the pen, etc.
1922New Internat. Encycl. (ed. 2) X. 11 The Bulgarian ductus of the Glagolitsa is round, while the Croatian is more angular. 1933Burlington Mag. July 23/1 The ‘ductus’ appears to me to be absolutely that of Dürer's own pen. 1934Priebsch & Collinson German Lang. ii. ix. 404 The script is round Anglo-Saxon, though of a more or less cursive ductus. 1954[see duct n. 4]. |