| 释义 |
‖ indusium|ɪnˈdjuːzɪəm|
Pl. -ia.
[L. indūsium a tunic, app. f. induĕre to put on: see endue.]
1. Anat.
a. The amnion of the fœtus.
1706in Phillips. 1855Ramsbotham Obstetr. Med. 43 Besides the peritoneal coat,—indusium—they possess beneath it another,—their proper tunic.
b. Also erron. induseum. The thin layer of grey matter covering the upper surface of the corpus callosum. In full indusium (or induseum) griseum.
1890Billings Med. Dict. I. 693/2 Indusium griseum. 1908Quain's Elem. Anat. (ed. 11) III. i. 401 The lateral striæ are similar, but their corresponding grey matter is even more rudimentary than the indusium. 1948A. Brodal Neurol. Anat. x. 330 Smaller contingents [of fibres] appear to reach it from the induseum griseum. 1963Zeman & Innes Craigie's Neuroanat. Rat (ed. 2) vii. 147 The rest [of the hippocampal formation] curves around it and becomes continuous with the indusium. 1966Hassler & Stephan Evolution of Forebrain 104 The supracallosal gyrus (or induseum griseum).
2. Bot.
a. The membranous shield or scale covering the sorus or fruit-cluster of a fern.
1807J. E. Smith Phys. Bot. 248 My learned friends Willdenow and Swartz have judged otherwise, calling this membrane the indusium, or covering; which seems to me altogether superfluous. 1851T. Moore Brit. Ferns & Allies (1864) 12 The indusium..is mostly a thin transparent membranous scale of the same general form as the sorus itself. 1875Bennett & Dyer tr. Sachs' Bot. 356 The whole sorus is very generally covered by an excrescence of the epidermis, the true Indusium: in other cases the false indusium consists of an outgrowth of the tissue of the leaf itself.
b. A collection of hairs united into a sort of cup, and inclosing the stigma in the Goodeniaceæ.
1830Lindley Nat. Syst. Bot. 186 Campanulas have not the fringed indusium which terminates the style of Goodeniaceæ, and surrounds their stigma.
3. Entom. The case or covering of a larva.
1832Lyell Princ. Geol. II. 246 The Indusia, or cases of the larvæ of Phryganea. 1865Page Handbk. Geol. (ed. 2) 256 The indusium or case of the caddis-worm. |