单词 | epitympanic |
释义 | epitympanicadj. Anatomy. Pertaining to or forming the uppermost sub-division of the tympanic pedicle which supports the mandible in fishes. Chiefly quasi-n. ΚΠ 1856–8 W. Clark tr. J. van der Hoeven Handbk. Zool. II. 61 The tympanicum, epitympanicum, and præoperculum.] 1849–52 Todd's Cycl. Anat. & Physiol. IV. ii. 941/2 The uppermost piece, the epitympanic, articulates by a diarthrodial joint with the mastoid. 1880 A. Günther Introd. Study of Fishes 55. This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022). < adj.1849 |
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