单词 | margination |
释义 | marginationn. 1. A marginated appearance or marking; characterization or separation by a distinct margin. ΚΠ 1858 S. F. Baird Birds (U.S. War Dept.: Rep. Explor. Route Pacific IX) ii. 351 in U.S. Congress. Serial Set (33rd Congr., 2nd Sess.: House of Representatives Executive Doc. 91) The tips and outer edges of the tail feathers are very inconspicuously lighter than the remaining portion... This species in general appearance resembles the H[arporhynchus] redivivus... The character of margination in the tail is very similar. 1876 J. H. Simpson Rep. Explor. Great Basin Utah (U.S. Army Corps Topogr. Engineers) 406 The species is readily distinguishable by the margination of the scales with a darker color. 1898 Archaeol. Jrnl. 55 128 Obvious either from the nature of the print or from distinctly-marked margination. 1985 Computerized Radiol. 9 307 Oncocytomas appeared as rounded hypodense solid masses with sharp margination from the normal renal parenchyma. ΘΚΠ society > leisure > the arts > literature > literary and textual criticism > literary criticism > commentary > [noun] > comment or note > marginal note > writing of or annotation with marginals postillation1846 margination1874 1874 A. C. Swinburne Let. 13 July (1959) II. 308 I quite agree with you that the Homeric margination ought to be most carefully preserved. 3. Biology and Medicine. a. Movement and adherence of a leucocyte to the wall of a blood vessel. ΚΠ 1896 T. C. Allbutt et al. Syst. Med. I. 69 The so-called ‘margination’ of leucocytes. 1896 T. C. Allbutt et al. Syst. Med. I. 71 A commencing margination of the white corpuscles was discernable. 1909 J. G. Adami Princ. Pathol. I. iii. i. 385 As the current becomes greatly slowed..the leukocytes move to and fro with it, until, finally, they become firmly adherent. This is the stage of margination of the leukocytes. 1961 R. D. Baker Essent. Pathol. ii. 10 White blood cells adhere to the vessel wall about an axial column of moving red cells, the process of margination. 1984 M. J. Taussig Processes in Pathol. & Microbiol. (ed. 2) 4 Leucocytes line up on the inner surface of the blood vessel, a process known as pavementing or margination. 2000 Parasitol. Res. 86 121 Pathologic lesions occurred primarily in the lungs, including pulmonary edema and intravascular margination of leukocytes. b. Displacement or confinement of a cellular component to the margin of a cell or nucleus; location at or against the cell or nuclear membrane. ΘΚΠ the world > life > biology > physical aspects or shapes > specific areas or structures > [noun] > margin or periphery limbus1671 margin1675 submarginal1827 limbation1881 margination1954 1954 Jrnl. Exper. Med. 100 198 Fig 7 shows a nucleus considered to represent an early stage of infection preceding margination of chromatin. 1977 Cell & Tissue Res. 179 453 The only structural effect of CB [sc. cytochalasin B] on isolated cells was margination of zymogen granules against the plasma membrane. 1996 Jrnl. Neurochem. 67 1039 Transmission electron microscopic analysis showed morphological changes consistent with apoptotic cell death, including..chromatin condensation and margination to the nuclear membrane. This entry has been updated (OED Third Edition, December 2000; most recently modified version published online March 2022). < n.1858 |
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