| 单词 | hanging drop |
| 释义 | > as lemmashanging drop hanging drop n. Biology a drop of liquid suspended from a cover glass fitting on to a special transparent cell or microscope slide, by means of which living microorganisms or cells in the drop may be examined microscopically; usually attributive. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > magnification or magnifying instruments > [noun] > microscope > object examined or medium section1870 hanging drop1885 surface mount1899 1885 Jrnl. Royal Microsc. Soc. 5 117 The ‘hanging drop’..has some great..disadvantages. 1892 Philos. Trans. (Royal Soc.) B. 283 130 Cultures in hanging drops, made in sterilised cells under the microscope. 1892 Philos. Trans. (Royal Soc.) B. 283 136 I..prepared a hanging drop culture of this. 1908 Practitioner Aug. 264 By observation of hanging-drop preparations from growth in glucose broth. 1970 R. Passmore & J. S. Robson Compan. Med. Stud. II. xviii. 13/1 The presence of flagella is usually inferred by observing..motility in hanging drop preparations of fluid cultures. < as lemmas |
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