| 释义 |
signet-ring
[signet n.]
1. A finger-ring containing a signet.
1681Grew Musæum iii. i. iv. 290 All the smaller Gems were used especially for Signets and Signet-Rings. 1726Ayliffe Parergon 132 Such are sealed on Wax only,..that is to say, with the Impression of a Signet-Ring. 1813Scott Let. in Lockhart (1837) III. ii. 101 A Sultan who consulted Solomon on the proper inscription for a signet-ring. 1861King Antiq. Gems (1866) p. xxxviii, Signet-rings must have attained universal popularity in Greece before 600 b.c. 1878J. Miller Songs of Italy 82, I would be the richest King That ever wore a signet-ring.
2. Path. Used, usu. attrib., to describe cells and organisms that resemble signet rings in appearance.
1901J. Ewing in Jrnl. Exper. Med. V. 446 At a very early period of its development the æstivo-autumnal parasite in the present cases assumed a very characteristic ring shape. Many of these rings early developed a thickening of one segment, and to these bodies of various sizes the term ‘signet-ring’ very aptly applies. Ibid. 448 In six cases taking quinine typical signet-ring forms were seen in the peripheral blood 60 to 72 hours after the beginning of the paroxysm. 1928L. E. H. Whitby Med. Bacteriol. xxi. 209 The most characteristic form of the trophozoite is the so-called ‘signet-ring’ form, in which the chromatin granule or ‘dot’ is at one side. 1961[see Krukenberg]. 1966Wright & Symmers Systemic Path. I. xv. 511/1 When the mucus-secreting cells are anaplastic they appear as rounded cells, with the nucleus displaced to one side by a globule of mucus in the cytoplasm (‘signet-ring cells’); ‘signet-ring cell’ carcinomas are highly malignant. |