| 单词 | gingival line |
| 释义 | > as lemmasgingival line gingival line n. †(a) Medicine (also Thompson's gingival line) a band of redness at the gum line, thought to be a sign of tuberculosis (obsolete); (b) Medicine a band of bluish or dark grey discolouration in this location, occurring as a sign of chronic heavy metal poisoning; (c) the line at which the gum is attached to a tooth; the margin of the gum; the gum line. ΚΠ 1854 T. Thompson Clin. Lect. Pulmonary Consumption x. 152 (heading) Gingival streak.] 1859 Trans. New Jersey State Med. Soc. 93 Thompson's gingival line absent on the upper gums; seen on lower gums. 1863 Edinb. Med. Jrnl. 8 129 Lately I have seen a young man,..house-painter by occupation, and presenting the characteristic blue gingival line. 1899 Dental Cosmos 41 535 The axial surfaces slope from the gingival line to the occlusal surface. 1907 L. Brown in W. Osler & T. McCrae Mod. Med. III. x. 333 Myoidema and the gingival line have no diagnostic value, but demand a careful pulmonary examination. 1943 Brit. Med. Jrnl. 20 Mar. 356/2 The gingival lines of lead, bismuth, and mercury poisoning are due to the deposition of the sulphides the heavy metals in the dermis. 1959 Jrnl. Prosthetic Dentistry 4 593 The gingival line and labial tissue contours may be reproduced accurately. 2003 K. A. Hodsdon Demystifying Smiles ii. 37 The smile exposes almost all of the maxillary central incisors just to the gingival line. < as lemmas |
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