| 释义 |
‖ dorsum|ˈdɔːsəm|
The Latin word for ‘back’, used in scientific or technical senses.
1. Zool. and Anat.
a. The back of an animal.
b. The upper, outer, or convex surface of a limb or organ, as the hand, nose, tongue; in Conch. the outer surface of a shell opposite to the opening.
c. Bot. The outer surface of an organ or part (e.g. a seed), i.e. that directed away from the axis.
1840G. V. Ellis Anat. 392 On the dorsum of the hand is a venous arch, which receives..the digital veins. 1843J. G. Wilkinson Swedenborg's Anim. Kingd. I. i. 30 On the dorsum of the tongue..lie obtuse papillæ. 1878Bell Gegenbaur's Comp. Anat. 325 The dorsum of the Gastropoda. 1885H. O. Forbes Nat. Wand. E. Archip. 195 The nose with a rather prominent and straight dorsum.
2. A ridge of hill or high ground.
1782T. Warton Hist. Kiddington 69 (T.) A similar ridge, which creeping through the deep south-east valley..suddenly rises into a massy dorsum. 1905W. G. Holmes Justinian & Theod. I. 27 The moat..follows the trend of the ground as it rises on either side from the beach to the dorsum of the peninsula. |