| 单词 |
ranula |
| 释义 |
‖ ranula Path.|ˈrænjʊlə|
[L. rānula a little frog, a little swelling on the tongue of cattle (Vegetius), dim. of rāna frog. Cf. F. ranule.]
A cystic tumour under the tongue, caused by the obstruction of the salivary ducts or glands.
‘The term is derived either from an imaginary resemblance of the swelling to a frog, or from the peculiar croaking noise which the patient makes when affected by it’ (Craig).
[c1400Lanfranc's Cirurg. 262.] 1657in Physical Dict. 1661Lovell Hist. Anim. & Min. 348 The ranula under the tongue, which is a tumour in forme like a frog. 1727–41in Chambers Cycl. 1834Good's Study Med. (ed. 4) I. 94 When a ranula has been opened, the surgeon should always examine with a probe [etc.]. 1879St. George's Hosp. Rep. IX. 266 The only case of ranula was treated by snipping out a fair-sized piece of cyst-wall.
Hence ˈranular a. (a) = ranine 1. (So F. ranulaire.) ? Obs. (b) Of or pertaining to ranula.
1656in Blount Glossogr. s.v. Vein. 1784 W. Cullen First Lines Pract. Phys. cccv. Wks. 1827 II. 35 The opening of the ranular veins seems to be an insignificant remedy. |
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