| 单词 | germ track |
| 释义 | > as lemmasgerm track germ track n. [after German Keimbahnen (1892 in the passage translated in quot. 1893)] now historical a continuous series of cells giving rise to the gametes during the development of an individual organism; cf. germ line n. ΚΠ 1893 W. N. Parker & H. Rönnfeldt tr. A. Weismann Germ-plasm vi. 184 The transmission of the germ-plasm from the ovum to the place of origin of the reproductive cells..takes place in a regular manner, through perfectly definite series of cells which I call germ-tracks. 1910 J. A. Thomson Heredity xii. 454 Theoretically it makes no difference how long the ‘germ-track’ may be, or how long it may be before recognisable germ-cells are seen in the developing organism. 1985 Jrnl. Hist. Biol. 18 314 This observation led Weismann in 1885 to his theory of the ‘continuity of the germ plasm’, which states that the ‘germ track’ is separate from the body (soma) track from the very beginning. < as lemmas |
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