| 单词 |
inoculum |
| 释义 |
inoculum|ɪˈnɒkjʊləm|
Pl. inocula.
[mod.L., f. L. inoculāre to inoculate v.]
(A quantity of) infective material used for or capable of inoculating an organism or culture medium.
1902J. W. H. Eyre Elem. Bacteriol. Technique xv. 267 (heading) The preparation of the inoculum. 1925C. H. Browning Bacteriol. iii. 47 The needle, charged with the inoculum, is introduced into the tube and..the broth..is now said to have been ‘inoculated’. 1949N. G. Heatley in H. W. Florey et al. Antibiotics I. iv. 212 The reason why small inocula (down to single cells) do not normally grow out was thought to be due to the inhibitory power of a number of substances. 1950J. C. Walker Plant Path. viii. 347 Since the fungi overwinter on debris, sanitary measures are helpful in reducing spring inoculum. 1970W. H. Smith Tree Path. xxiii. 243 Early in an epidemic..the absolute rate of increase of disease is small,..as only a limited quantity of inoculum is available. 1973Nature 16 Feb. 456/1 It is highly tumorigenic (inocula of 102 cells produce fatal tumours in the animals). |
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