| 释义 |
rhizo-|ˈraɪzəʊ, raɪˈzɒ|
combining f. Gr. ῥίζα root, used in the formation of many scientific (chiefly botanical) terms: ˈrhizocarp [Gr. καρπός fruit], a plant of the group Rhizocarpeæ (= Marsileaceæ). rhizoˈcarpean a., belonging to the Rhizocarpeæ. rhizoˈcarpic, -ˈcarpous adjs., having a perennial root but perishing stems. ‖ rhizoˈcephala n. pl. [Gr. κεϕαλή head], an order of parasitic hermaphrodite crustaceans closely related to the cirripedes; also sing. ‖ rhizoˈcephalon, a crustacean of this order; hence rhizoˈcephalous a., belonging to the rhizocephala. ˈrhizodont [Gr. ὀδοντ-, ὀδούς tooth] a., having teeth with branching fangs anchylosing with the jaw, as a crocodile; n., a rhizodont reptile. rhizoˈdontropy [Gr. ὀδοντ-, ὀδούς tooth, τροπή turning], ‘pivoting an artificial crown on the root of a tooth’ (Syd. Soc. Lex. 1897). rhizoˈdontrypy [Gr. τρυπᾶν to bore], ‘perforation of the root of a tooth for the discharge of fluid’ (Dunglison, 1876). ˈrhizogen, (a) a plant parasitic on the roots of another plant; spec. one of the Rhizantheæ, Lindley's group of plants of fungoid habit parasitic on rootstocks; (b) a part from which a root or roots grow; rhizogeˈnetic, -ˈgenic adjs., root-producing. ‖ rhizoˈmania, an abnormal development of roots (Treas. Bot.). ˈrhizomorph, ‖ rhizoˈmorpha, a mycelial growth, such as occurs in various fungi, preying on the roots of higher plants. rhizoˈmorphoid, -ˈmorphous adjs., root-like; resembling a rhizomorph. rhiˈzophagous a., feeding on roots. ‖ rhiˈzostoma [Gr. στόµα mouth], a genus of discomedusan hydrozoans having root-like oval arms; an animal of this genus (also ˈrhizostome); hence rhizoˈstomatous, rhiˈzostomous adjs. ‖ rhizoˈtaxis, ˈrhizotaxy, arrangement or disposition of roots. rhiˈzotomist [Gr. ῥιζοτοµός; cf. rhizotome, name of Gargantua's page-apothecary in Rabelais i. xxiii], a collector of roots for medicinal purposes. rhiˈzotomy Surg., section of a spinal nerve root.
1875Bennett & Dyer tr. Sachs' Bot. 391 The Branching of *Rhizocarps is similar to that of Ferns. 1888J. W. Dawson Geol. Hist. Plants 48 The curious aquatic plants known as Rhizocarps. [Note. Or, as they have recently been named by some botanists, ‘Heterosporous Filices’.]
Ibid. 41 The shallow waters filled with aquatic or amphibious *Rhizocarpean plants.
1858Mayne Expos. Lex., Rhizocarpicus,..*rhizocarpic.
1832Lindley Introd. Bot. 402 *Rhizocarpous, or those whose root endures many years, but whose stems perish annually; as herbaceous plants.
1865Darwin in Life & Lett. (1887) III. 38 Until reading your book I knew nothing of the *Rhizocephala.
1869W. S. Dallas tr. F. Müller's Facts for Darwin 139 The Cirripede had become a *Rhizocephalon.
1894W. Bateson Mat. Study of Variation i. ii. 95 Males..inhabited by the *Rhizocephalous parasite Sæculina.
1879Rossiter Dict. Sci. Terms, *Rhizodont. Teeth with branching fangs, which anchylose with the jaw. 1900Nature 20 Sept. 505/2 The Rhizodont genera Tristichopterus and Eusthenopteron. Ibid. 506/1 We are..justified in considering the Holoplychians..a newer type than the Rhizodonts.
1876T. Bryant Pract. Surg. I. 561 The performance of *rhizodontropy [read -trypy], coupled or not with a direct opening into the abscess to evacuate the pus.
1846Lindley Veget. Kingd. 83 *Rhizogens all agree in being of a fungus-like consistence. 1849Balfour Man. Bot. §64 [Lenticels] are considered, by Decandolle.., as being the points where young roots are produced in certain circumstances, and on that account they have been called Rhizogens.
1884Bower & Scott De Bary's Phaner. 398 Those rows of the next outer cortical layer, which lie in front of the *rhizogenetic rows.
1885G. L. Goodale Physiol. Bot. iii. 115 note, The mother-cells of this layer (the so-called *Rhizogenic cells).
1848Watts tr. Gmelin's Handbk. Chem. I. 188 *Rhizomorphs shine more brightly in oxygen gas than in common air.
1830Lindley Nat. Syst. Bot. 335 No inconsiderable number of the Fungi of botanists are.., as various *Rhizomorphas, the deformed roots of flowering plants growing in cellars, clefts of rocks, and walls. 1883Harper's Mag. Jan. 191/2 The rhizomorpha—a curious organism resembling long, thin, dark-colored roots, sometimes expanding into a membraniform production.
1871Cooke Handbk. Fungi I. 307 Odontia fimbriata.., traversed by *rhizomorphoid threads.
1858Mayne Expos. Lex., Rhizomorphus,..*rhizomorphous.
1831Carlyle Sart. Res. iii. x, All Poor-Slaves are *Rhizophagous (or Root-eaters). 1856–8W. Clark van der Hoeven's Zool. I. 404 Larvæ smooth, with 16 feet, subterranean, rhizophagous.
1841Penny Cycl. XIX. 119/2 Certain *Rhizostomata acquire a considerable development, so as to reach nearly a foot and a half in diameter. 1843Owen Compar. Anat., Invertebrates 105 It may be asked, why the Cyanæa should have intestines and vents, whilst the Rhizostoma has neither.
Ibid. 104 The very remarkable..system of nutrition in the *Rhizostome.
1836–9Todd's Cycl. Anat. II. 409/2 The young..in the *Rhizostomatous species [are excluded] through the ramified canals of the pedicle.
1858Mayne Expos. Lex., Rhizostomus,..*rhizostomous.
1876Encycl. Brit. IV. 95/1 Different forms of *rhizotaxis.
1870Henfrey Bot. Index, *Rhizotaxy (arrangement of roots).
1836Penny Cycl. V. 247 Some sorts [of roots]..are to be cut against the wind, others after the body of the *rhizotomist has been well oiled. 1837Whewell Hist. Induct. Sci. (1857) III. 221 The drug-sellers and the rhizotomists.
1911Brit. Med. Jrnl. 2 Sept. 523/2 Dorsal *rhizotomy failed to give permanent and complete relief [from pain]. 1955Naffziger & Adams in A. B. Baker Clin. Neurol. III. xxviii. 1445 The conversion of a spastic into a flaccid paraplegia by anterior rhizotomy is now well established. 1977Lancet 17 Sept. 594/2 Before the advent of drug treatment for spasticity, the only remedy lay in irreversible operations such as tenotomies and rhizotomies. |