| 单词 | angular bone |
| 释义 | > as lemmasangular bone d. Zoology. Originally: †designating the lacrimal bone of the medial wall of the orbit in a quadruped (cf. angular n. 1) (obsolete rare). In later use (in non-mammalian vertebrates): designating a bone or bony element present in the posterior part of the lower jaw, at or near the angle of the jaw. Chiefly in angular bone. Cf. angular n. 2. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [adjective] > jawbones > lower mandibulary1653 mandibular1654 submaxillary1721 angular1802 mylohyoidean1838 mylohyoid1839 hyomandibular1875 hyostylic1880 tympanomandibular1891 1802 D. P. Blaine Outl. Vet. Art II. 87 The puncta lachrymalia..are the openings to a canal that is within the angular bone. 1811 J. Parkinson Org. Remains Former World III. xx. 291 The angular bone curves upwards, to occupy a space in the inside of the jaw. 1835–6 Todd's Cycl. Anat. & Physiol. I. 277/1 The anterior extremities of the angular and supra-angular pieces are wedged into corresponding grooves of the symphyseal element. 1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 178 In the cod there is a small separate bone, below the joint of the articular, forming an angle there, and called the ‘angular piece’. 2012 Jrnl. Vertebr. Paleontol. 32 519/2 The angular bone has a gently convex posterior border. < as lemmas |
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