| 释义 |
‖ membranula|mɛmˈbreɪnjʊlə|
Also anglicized membranule.
[L. membrānula, dim. of membrāna membrane.]
A little membrane. a. Anat. In the eye (see quot. 1840). b. Bot. In ferns and mosses (see quot. 1821). c. Ent. ‘A small triangular flap or incurved portion on the posterior part of the base of the wings, seen in certain dragon-flies’ (Cent. Dict.).
1821S. F. Gray Nat. Arr. Brit. Pl. I. 221 Involucrum, Indusium, Membranula, Glandulæ squamosæ [in ferns]. A membrane that covers the sori, when young. Ibid. 222 Membranula [in mosses]. The fine membrane that supports the teeth of the peristome. 1840G. V. Ellis Anat. 112 The folds and striæ of pigment that compose the corona ciliaris being part of a distinct structure,—the ‘membranula’, applied on the hyaloid membrane. 1856Mayne Expos. Lex., Membranula, Membranulum,..a little membrane,..a membranule. 1861H. Hagen Syn. Neuropt. N. Amer. 133 Macromia taeniolata..membranule cinereous.
Hence memˈbranulet, in the same sense (Syd. Soc. Lex. 1890); memˈbranulous a., membranous.
1704Tyson in Phil. Trans. XXV. 1752 The one having Membranulous Scales, the other Bony. |