| 释义 |
▪ I. ‖ falx|fælks|
Pl. falces.
[L. falx scythe or sickle.]
1. Anat. A process of the dura mater, sometimes called falx cerebri. falx cerebelli (see quot. 1860).
1706Phillips (ed. Kersey), Falx..one of the Processes..of the..Dura Mater. 1741A. Monro Anat. Bones (ed. 3) 83 In it a little Process of the Falx is lodged. 1800Phil. Trans. XC. 435 There is a bony falx of some breadth. 1855Holden Human Osteol. (1878) 119 The ‘crista galli’, which gives attachment to the falx cerebri. 1860Mayne Expos. Lex., Falx Cerebelli..term for a triangular portion of the dura mater..separating the two lobes of the cerebellum. 1874Jones & Siev. Pathol. Anat. 231 The falx is occasionally found cribrated.
†2. Zool. Obs. Each of the paired cheliceræ of spiders; sometimes used to mean only the basal section of a chelicera (see quot. 1889) and in this sense = paturon.
1848J. Blackwall in Trans. Linn. Soc. (1852) XXI. 37 The instruments employed by the Araneidea to seize and destroy their prey are improperly denominated mandibles{ddd}I propose..to name them falces. 1866E. F. Staveley Brit. Spiders ii. 12 Below the eyes and above the mouth is a pair of jaw-like organs, known as the falces. 1885H. O. Forbes Nat. Wand. East. Archipelago iii. vi. 216 With the rapidest motion..it [sc. a spider] flashed its falces into my flesh. 1889H. C. McCook Amer. Spiders I. i. 22 Each mandible is composed of two parts, the base or falx and the fang... The falx is covered with hair, especially near the base, and at the apex is formed into a toothed groove or sheath into which the fang is folded down when at rest. 1904W. H. Hudson Green Mansions xx. 288 He [sc. a spider] might come stealthily back at night to plunge his long, crooked falces into my throat.
▪ II. falx
var. of faulx, Obs. |