单词 | involucre |
释义 | involucren. 1. That which envelops or enwraps; a case, covering, envelope; spec. in Anatomy, a membranous envelope, as the pericardium. ΘΚΠ the world > life > the body > bodily substance > membrane > [noun] rimeOE hameOE skina1398 caul1398 shrine1398 tunicle1398 panniclea1400 pelliculea1400 slougha1400 membrane?a1425 pellicle?a1425 pellet?1440 enfolder1545 kell1545 involucre1578 skinlet1598 striffena1612 swathe1615 veil1639 tunic1661 swath-band1668 involucruma1676 wall1682 panniculus1702 theca1807 the world > space > relative position > condition of being external > covering > wrapping > [noun] > enfolding or enveloping > that which or one who enfolder1545 inwrapper1553 involucre1578 involument1578 burse1601 involvement1632 investment1646 involution1646 mantling1652 involucruma1676 tunicle1678 enveloping1693 envelope1715 enveloper1883 1578 J. Banister Hist. Man i. f. 24v Pericardon (whiche is the Inuolucre of the hart). 1822 J. M. Good Study Med. I. 24 The involucres of the teeth are their gums, membranes, and sockets, or alveoli. 2. Botany. A whorl or rosette of bracts surrounding an inflorescence, or at the base of an umbel. Also: (a) (in ferns) sometimes applied to the indusium; (b) (in liverworts) a sheath of tissue surrounding the female sexual organs; (c) (in fungi) the velum. partial involucre = involucel n. See also involucrum n. 2. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [noun] > involucre fence1727 involucrum1753 involucel1765 involucre1787 involucret1793 cupule1830 1787 T. Martyn tr. J. J. Rousseau Lett. Elements Bot. (ed. 2) v. 54 This set of small leaves or folioles is called the involucre. 1801 Asiatic Ann. Reg. 1800 Misc. Tracts 165/1 Flowers..in umbells..Involucre many leaved, the leaves toothed. 1845 J. Lindley School Bot. (1858) i. 11 When many bracts are collected in a whorl round several flowers they form an involucre. 1861 A. Pratt Flowering Plants & Ferns Great Brit. VI. 146 The indusium.. in some few of our native species, as in the Filmy Ferns,..is cup-shaped,..it is then often called an involucre. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 303 The surrounding tissue of the thallus divides repeatedly and grows into an involucre which is arched upwards and through which the elongating sporogonium afterwards pushes its way. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 306. Categories » 3. Zoology. = involucrum n. 3. This entry has not yet been fully updated (first published 1900; most recently modified version published online September 2018). < n.1578 |
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