| 释义 |
‖ cortex|ˈkɔːtɛks|
Pl. cortices |ˈkɔːtɪsiːz|.
[L. cortex bark.]
†1. fig. The external part; the outer shell or husk. Obs.
1660H. More Myst. Godl. v. xv. 178 Neither in the inward meaning nor outward Cortex of this Prophecy. 1681― Exp. Dan. App. ii. 285 To distinguish betwixt the Cortex and the Pith..of these..Symbolical Visions. 1665Glanvill Sceps. Sci. xxi. 133 'Tis difficult to trace natural operations..by the sight of the Cortex of sensible appearances.
†2. Med. The bark of various trees used medicinally; absol. Peruvian bark. Obs. (exc. as Latin.)
1680Sir T. Browne Wks. (1848) III. 472 Formerly they gave not the cortex to quartanarians. 1693Sir H. Sloan in Phil. Trans. XVII. 924 The Cortex Winteranus, commonly sold in the Shops. 1712tr. Pomet's Hist. Drugs I. 37 As you give the Cortex to cure Quotidian, Tertian and Quartan Agues. 1803Med. Jrnl. X. 357 By..the free use of the cortex and a generous diet, the boy..got quite well.
3. Applied variously to differentiated external structures in a plant or animal body, or organ: spec.
a. Anat. The outer gray matter of the brain.
b. The outer part or ‘cortical substance’ of the kidney.
c. Bot. That part of the fundamental tissue which lies outside the fibrovascular bundles; the bark.
1677Hale Prim. Orig. Man. i. ii. 65 Covered with..a Cortex that is obduced over the Cutis, as in Elephants. 1741Monro Anat. Bones (ed. 3) 153 Each Tooth is composed of two Substances; an external Cortex. ― Anat. Nerves (ed. 3) 14 The Cortex of the Encephalon. 1826Good Bk. Nat. (1834) I. 168 The solid parts of the trunk of the plant consist of cortex, cuticle, or outer bark. 1875Bennett & Dyer Sachs' Bot. ii. v. 573 note, Sometimes..the [fibro-vascular] bundles [in a leaf-stalk]..form a closed hollow cylinder which divides the fundamental tissue of the leaf-stalk into pith and cortex. 1888Rolleston & Jackson Anim. Life 833 The protoplasm..is divisible into an exoplasm (cortex) and endoplasm (medulla). |