单词 | mesotympanic |
释义 | mesotympanicn.adj. Ichthyology. The symplectic bone. Obsolete. ΘΚΠ the world > animals > fish > parts of fish > [noun] > bones (various types of) grate1481 pharyngeal1791 suboperculum1818 supratemporal1834 shackle-joint1837 mastoid1840 wrist1840 mastoid bone1841 subopercular1841 mesotympanic1846 suprascapula1846 hypobranchials1848 hypotympanic1848 urohyal1848 radius1854 epicentral1866 pterotic1866 mesocoracoid1868 supraclavicle1868 precoracoid1869 symplectic1870 hypural1871 mesopterygoid1871 post-temporal1871 postclavicle1872 brachial1873 urostyle1875 hypercoracoid1876 admaxillary1885 intercalarium1887 palatopterygoquadrate1888 subtectal1888 Weberian apparatus1889 Weberian ossicles1889 radial1890 supracleithrum1903 1846 R. Owen Lect. Compar. Anat. Vertebr. Animals i. Fishes. v. 110 The stylo-hyoid being attached near the junction of the epi-tympanic with the meso-tympanic. 1880 A. Günther Introd. Study of Fishes 55 The mesotympanic or symplectic appears as a styliform prolongation of the lower part of the hyomandibular. B. adj. Anatomy. Of, relating to, or designating the portion of the ear medial to the tympanic membrane (one of the four described regions of the middle ear space). ΚΠ 1979 Laryngoscope 89 1159 Anterior mesotympanic cholesteatomas were readily identified by the appearance of a white mass behind a translucent drum. 1986 H. F. Schuknecht & A. J. Gulya Anat. Temporal Bone with Surg. Implications 88 It is useful in descriptions of disease or surgery to divide the middle ear space into four regions. The mesotympanic is that area located medial to the tympanic membrane and the tympanic annulus. 1999 Amer. Jrnl. Otol. 20 299 With a 0.8-mm, flexible, steerable scope, most mesotympanic structures..were clearly defined. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.adj.1846 |
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