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单词 epitympanic
释义 epitympanic, a. Anat.|ˌɛpɪtɪmˈpænɪk|
[f. epi- + Gr. τύµπαν-ον drum + -ic. Cf. tympanic.]
Pertaining to or forming the uppermost sub-division of the tympanic pedicle which supports the mandible in fishes. Chiefly quasi-n.
[1856–8W. Clark Van der Hoeven's Zool. II. 61 The tympanicum, epitympanicum, and præoperculum.]1849–52Todd Cycl. Anat. IV. 941/2 The uppermost piece, the epitympanic, articulates by a diarthrodial joint with the mastoid.1880Günther Fishes 55.
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更新时间:2024/12/22 15:10:11