| 释义 |
▪ I. ˈsickling1
[f. sickle n.]
1. The action of cutting with a sickle. Also attrib.
1598Florio, Segatura, a sawing, a mowing, a sickling. 1765Museum Rust. IV. 358 The adoption of our method of sickling. Ibid., The wages..on the sickling scheme.
2. Path. The adoption of a crescent shape by red blood cells.
1923Johns Hopkins Hosp. Bull. XXXIV. 339/1 From these experiments it may be concluded that the sickling is an inherent property of the red blood cells and that the patients' sera are without effect on normal erythrocytes. 1961R. D. Baker Essent. Path. xviii. 491 In the absence of oxygen the hemoglobin S forms crystals which cause the erythrocytes to assume peculiar sickled or oat forms. The sickling can be demonstrated in Negroes with sicklemia by allowing moist preparations of blood to stand, thus using up the oxygen. 1977Time 28 Nov. 56/3 The Rockefeller scientists realized that any treatment for this genetic disease..had to be directed at stopping the characteristic sickling, or distortion, of the red blood cells that occurs after they unload their cargo of oxygen.
▪ II. ˈsickling2
[f. sick a. + -ling. Cf. G. siechling.]
A sickly or delicate person.
1834New Monthly Mag. XLI. 215 That they wear the red and white of health,..these sicklings cannot deny. a1849J. C. Mangan Poems (1859) 297 Why should a man, like a girl or a sickling, Suffer his lamp to be quenched in the tomb? |