| 释义 |
systrophe Biol.|ˈsɪstrəʊfiː|
[ad. G. systrophe (A. F. W. Schimper 1885, in Jahrb. f. wiss. Bot. XVI. 221), f. syn-1 + Gr. στροϕή, turning.]
The clumping together of chloroplasts in a cell when exposed to bright light.
1886Jrnl. R. Microsc. Soc. VI. 642 Very strong irritation of light causes the chlorophyll-grains to collect into one or two lumps, a phenomenon for which Schimper proposes the term systrophe. 1936Geogr. Jrnl. LXXXVIII. 48 Diatoms..sink deeper and display the phenomenon of systrophe. 1966E. J. Stadelmann in D. M. Prescott Methods Cell Physiol. II. vii. 206 Systrophe is a typical and reversible response reaction of the living protoplasm to a variety of stimuli. |