| 释义 |
tympaniform, a. Nat. Hist.|ˈtɪmpənɪ-, tɪmˈpænɪfɔːm|
[ad. F. tympaniforme (Cuvier), f. tympanum + -forme, -form.]
Having the form of a drum, or (usually) of a drum-head; stretched like a drum-head: spec. applied to certain membranes in the bronchi of birds.
1854Bushnan in Circ. Sc. (c 1865) I. 291/1 It is to this usually large portion of the wall of each bronchus that Cuvier gives the name, tympaniform membrane. 1893Newton Dict. Birds 58 In almost all birds..the bronchi are strengthened by cartilaginous semirings; the ends of these..are closed by the inner tympaniform membrane. Ibid. 940 Syrinx trachealis... Both inner and outer tympaniform membranes exist in the Bronchi. 1900in B. D. Jackson Gloss. Bot. Terms. |