“frænum”的英文意思_释义_用法

单词

frænum

释义

‖ frænum, frenum|ˈfriːnəm|
Pl. fræna, frena.
[L. frēnum, frænum, bridle.]
1. Anat. A small ligament or membranous fold which bridles or restrains the motion of the organ to which it is attached; e.g. that of the tongue.
1741Monro Anat. (ed. 3) 147 The Frænum of the Tongue.1754–64[see fourchette 1 a.].1807–26S. Cooper First Lines Surg. (ed. 5) 382 In persons born dumb, the state of the frænum should always be examined.1872Cohen Dis. Throat 51 The glosso-epiglottic fold..or frænum of the epiglottis.
2. (See quot. 1859.)
1859Darwin Orig. Spec. vi. 192 Pedunculated cirripedes have two minute folds of skin, called by me the ovigerous frena, which serve, through the means of a sticky secretion, to retain the eggs until they are hatched.1877Huxley Anat. Inv. Anim. vi. 295 The ovigerous fræna of Lepas.

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