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. |