| 单词 | nuchal fold |
| 释义 | > as lemmasnuchal fold nuchal fold n. Medicine (a) Zoology a fold of skin on the back of the neck or posterior region of the head of an animal; (b) Medicine the soft tissue at the back of the neck of a fetus as seen by ultrasound examination, thickening of which is associated with Down's syndrome and other chromosomal and developmental abnormalities; = nuchal translucency n. ΚΠ 1850 Ann. & Mag. Nat. Hist. 5 516 The integument is impressed by a groove which passes transversely from shoulder to shoulder; and there are two transverse nuchal folds. 1919 Mem. Mus. Compar. Zool. Harvard 48 452 A nuchal fold..is prominent commonly in these two genera along the anterior edge of the fourth somite. 1987 New Eng. Jrnl. Med. 26 Nov. 1375/2 We would recommend amniocentesis if evidence of a thickened nuchal fold or a shortened femur was observed. 2002 Jrnl. Herpetol. 36 370/1 Bright yellow vertebral stripe extends from nuchal fold nearly to anterior margin of vent. 2005 Daily Tel. 18 Mar. 22/4 We'd had the nuchal fold test—where they check for fluid at the back of the baby's neck—and had passed. < as lemmas |
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