单词 | supraoccipital |
释义 | supraoccipitaladj.n. Anatomy and Zoology. A. adj. Situated above or in the upper part of the occipital region of the skull or head; spec. designating the upper part of the occipital bone, or a separate bone corresponding to this. Cf. superoccipital adj. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [adjective] > back of skull > parts of or associated with suboccipital1733 inio-glabellar1803 inial1808 supraoccipital1835 exoccipital1839 paramastoid1848 iniac1886 1835 London Med. & Surg. Jrnl. 7 175/1 There are hydrencephalic,..suboccipital, and supra-occipital tumours. 1835–6 Todd's Cycl. Anat. & Physiol. I. 274/1 The occipital bone [in birds] is originally composed of four pieces: the basilar, below.., the two condyloid, laterally.., and the expanded spinous process or supra-occipital piece above. 1851 G. A. Mantell Petrifactions iv. 390 The horns being placed more anteriorly in relation to the supra-occipital ridge. 1922 D. S. Jordan & B. W. Evermann Amer. Food & Game Fishes 16 Supraoccipital bone continued backward from the nape, its notched tip receiving the bone at base of dorsal spine. 2006 K. D. Rose Beginning Age Mammals xiii. 268/2 Sirenian skulls are characterized by..a distinctive, dense skullcap composed of the strongly fused parietal and supraoccipital bones. B. n. A supraoccipital bone. Cf. superoccipital n. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > back of skull > parts of or associated with inion1814 superoccipital1834 supraoccipital1838 paroccipital1846 paramastoid1848 suroccipital1848 exoccipital1853 basion1878 opisthion1878 1838 Proc. Zool. Soc. 123 In the skull of an aged Virginian Opossum I found the supra-occipital still distinct from the ex-occipitals. 1880 A. Günther Introd. Study of Fishes 56 The supraoccipital separates the parietals, and forms a suture with the frontals. 1951 G. R. de Beer Vertebr. Zool. (ed. 2) v. 57 The roof is formed by the paired nasals, frontals, parietals, and the supraoccipital. 2001 P. J. Makovicky in D. H. Tanke & K. Carpenter Mesozoic Vertebr. Life xviii. 245 The supraoccipital is tall, as witnessed by the remains of its suture with the overlying parietals in occipital view. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online June 2022). < adj.n.1835 |
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