| 释义 |
▪ I. pedicle1 Nat. Hist., etc.|ˈpɛdɪk(ə)l|
[ad. L. pedīcul-us footstalk, dim. of pēs, ped-em foot, or ad. F. pedicule (1557 in Hatz.-Darm.): see -cule.]
1. Bot. A small stalk, footstalk, pedicel; formerly, the stalk of a leaf (= petiole), or of a flower or fruit (= peduncle); now usually, a minute stalk-like support, as those of seeds, glands, etc.
[1562Turner Herbal ii. G v b, Y⊇ floures grow..vpon a long small pediculo, that is a footlyng or footstalcke.] 1626Bacon Sylva §592 The close and compact substance of their leaves and the pedicles of them. 1755Gentl. Mag. XXV. 210 The flowers stand on long pedicles, affixed several together to one common peduncle. 1796Withering Brit. Plants II. 466 Leaf-stalk..beset with minute glands on pedicles. 1872Oliver Elem. Bot. ii. 158 The funicle (the pedicle by which the ovule is attached to the placenta).
2. Zool., etc. A small stalk; a pedicel or peduncle.
spec. a. Path. A stalk by which a tumour or morbid growth is attached to a part of the body. b. Anat. Each of the two narrow thickened parts of a vertebra connecting the centrum with the lamina, and forming part of the neural arch. c. Zool. The process of bones supporting the horn of a deer or any animal of the family Cervidæ.
1753N. Torriano Gangr. Sore Throat 39 A whitish Eschar..held by several little Pedicles, (or stringy Fibres, like a Cancer). 1808Barclay Muscular Motions 249 [The cerebrum and cerebellum] may each be divided..into similar halves..; each of the halves sends forth a pedicle, pedunculus, or crus. Ibid. 473 We observe the eyes, on moveable pedicles,..as in crabs and lobsters. 1828Stark Elem. Nat. Hist. II. 348 Tribe..Sphegides..base of the abdomen narrowed into a long pedicle. 1831R. Knox Cloquet's Anat. 23 This vertebra has..a small rib-like bone placed transversely before the pedicle, which connects the processes to the body. 1841–71T. R. Jones Anim. Kingd. (ed. 4) 552 In..Orbicula, the pedicle is wanting, the lower valve of the shell being fixed immediately to the rock. 1876Page Adv. Text-bk. Geol. iii. 53 Garnets..projecting from pedicles of felspar.
attrib.1851–6Woodward Mollusca 229 Cardinal and pedicle impressions conjoined.
Hence ˈpedicled a., having a pedicle, pediculated.
1880Sir J. Paget in Mem. & Let. vi. 305 The pedicled exostoses which are common on the femur and humerus.
▪ II. † pedicle2 Obs. rare—1.
[f. L. pedica shackle for the feet; cf. manicle, manacle (L. manicæ).]
A shackle for the feet, a fetter.
1627E. Kellet Ret. fr. Argier 39 What..they could not effect vpon you..by manicles and pedicles of iron. |