| 单词 | rouleaux formation |
| 释义 | > as lemmasrouleaux formation b. A stack of other rounded or disc-like objects; esp. (Physiology) an aggregate of red blood cells. Frequently attributive, esp. in rouleaux formation. ΘΚΠ the world > life > the body > vascular system > blood > components of blood > blood corpuscle or plate > [noun] > cylindrical formation rouleau1827 1827 Philos. Mag. 2nd Ser. 2 135 As this subsides they [sc. the circular particles of the blood] apply themselves to each other by their broad surfaces, and form piles or rouleaux which are sometimes of considerable length. 1858 S. Birch Hist. Anc. Pottery II. 269 The moulds were then piled in rouleaux or stacks. 1872 H. C. Wood Year-bk. Therapeutics 321/1 To relieve the pain and promote absorption he has the skin above the eye pricked microscopically with the needle of Baunscheidt, or the rouleau of needles of M. Matthieu. 1897 T. C. Allbutt et al. Syst. Med. II. 750 Rouleaux formation may be absent altogether. 1954 R. G. Macfarlane in H. W. Florey Lect. Gen. Pathol. xi. 219 This increased rouleaux formation..was clearly associated with the increased rate of sedimentation. 1996 S. A. Berger in S. A. Berger et al. Introd. Bioengin. iii. 146/2 There is also general agreement that this yield stress is due to the formation at very low velocity conditions of rouleaux, aggregations of two or more red blood cells. < as lemmas |
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