单词 | concrescence |
释义 | concrescencen. a. Growth by assimilation. Obsolete. ΘΚΠ the world > life > biology > biological processes > development, growth, or degeneration > [noun] > growth > growth by assimilation concrescence1614 1614 W. Raleigh Hist. World i. i. i. §10. 13 How any other substance should thence take concrescence, it hath not beene taught. b. Biology. Coalescence or growing together of cells, organs, etc.; the coalescence of two individual organisms of low type in generation. ΘΚΠ the world > life > biology > biological processes > development, growth, or degeneration > [noun] > growth > types of growth monstruosity1402 monstrosity1555 accretion1615 misgrowth1648 monstruousness1653 miscreance1658 homonomya1682 agenesis1827 hypertrophy1834 auxesis1842 overgrowth1844 neoplasia1871 ingrowth1877 concrescence1878 accrementition1879 neogenesis1884 geomalism1885 giantism1885 geomaly1889 merisis1940 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 17 The Concrescence of a number of separate cells. 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 87 In the Gregarinæ..multiplication commences by the concrescence of two individuals. 1888 Athenæum 18 Aug. 228/2 Congenital cohesion—concrescence as Van Tieghem calls it. c. Embryology. The growing together of two parts during the development of the vertebrate embryo. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo development processes > [noun] fetalization1819 segmentation1851 maceration1873 neurulation1878 blastulation1889 concrescence1890 cell lineage1892 myelination1892 spiral cleavage1892 medullation1893 myelinization1900 myelogenesis1901 induction1928 myelinogenesis1931 horizon1942 1890 C. S. Minot in Amer. Naturalist 24 501 The Concrescence Theory of the Vertebrate Embryo. 1890 C. S. Minot in Amer. Naturalist 24 503 Concrescence in Bony Fishes. 1913 J. W. Jenkinson Vertebr. Embryol. i. 13 Concrescence of layers, as in the union of the embryonic plate with the trophoblast in some Mammals, where the layers unite by their margins, or as in the union of the medullary folds, or of the stomodaeum with the gut, where the concrescence is by the surfaces. 1917 L. B. Arey Prentiss' Textbk. Embryol. (ed. 2) 31 The primitive streak becomes highly significant when interpreted in the light of the theory of concrescence, a theory of general application in verterbate development. 1927 W. Shumway Vertebr. Embryol. iv. 96 The theory of concrescence..has already been used to explain the closure of the blastopore. By many it has been extended to include the formation of the body, with the exception of the tail, by the coalescence of the two halves of the germ ring. 1956 E. Witschi Devel. Vertebr. xiii. 200 Convergent movements of blastemic cell masses, which result in the joining of the material halves of a body or of organs, are designated as concrescence. d. Botany. The union of cell-walls by a cementing substance; cementation. ΚΠ 1900 B. D. Jackson Gloss. Bot. Terms 2. concrete. A concretion. ? Obsolete. ΘΚΠ the world > matter > constitution of matter > density or solidity > [noun] > a dense or solid thing or body clota1000 goba1382 massa1382 gobbetc1384 clustera1387 lumpa1400 grume1555 solidity1604 concrescence1610 concression1613 concretion1646 ponderant1656 condensation1665 clumper1673 clue1674 solid1698 clump1699 wodge1847 density1858 boulder1861 doorstop1967 swadge1968 1610 J. Healey tr. St. Augustine Citie of God iii. xxxi. 152 It rained..stones, (not concrescences, that might be called haile, but direct stones). 1793 J. Smeaton Narr. Edystone Lighthouse (ed. 2) §197 The stony concrescences..called Stalactites. This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2022). < n.1610 |
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