单词 | autostylic |
释义 | autostylicadj. Zoology. Having a skull in which the palatoquadrate element of the upper jaw is attached to or fused with the cranium; designating a jaw or skull with suspension of this kind, found in dipnoan and chimaeroid fishes and in tetrapods. ΘΚΠ the world > animals > fish > parts of fish > [adjective] > (of skull) autostylic autostylic1876 1876 T. H. Huxley in Proc. Zool. Soc. 41 The embryo amphibian is amphistylic before it becomes autostylic. 1922 Jrnl. Dental Res. 4 42 Primitive amphibian; jaws autostylic. 1951 G. R. de Beer Vertebr. Zool. (ed. 2) vi. 69 This method of suspension of the jaws is called autostylic; the hyomandibular plays no part in it. 1973 H. Kuhlenbeck Central Nerv. Syst. Vertebr. III. ii. 839 The relevant bracing attachment of the jaw apparatus to the rostral end of the axial skeleton..was obtained in three different ways, designated as (a) autostylic; (b) hyostylic, and (c) amphistylic. 2004 D. R. Khanna & P. R. Yadav Biol. of Fishes xiii. 257 The lower jaw is suspended from the quadrate region and the hyoid arch plays no part in suspending the jaws. This is a variation of the autostylic method of jaw suspension. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online June 2022). < adj.1876 |
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