| 释义 |
DictionarySeecyclosiscytoplasmic streaming
cytoplasmic streaming[‚sīd·ə′plaz·mik ′strem·iŋ] (cell and molecular biology) Intracellular movement involving irreversible deformation of the cytoplasm produced by endogenous forces. cytoplasmic streaming
streaming [strēm´ing] the movement of a current in a fluid.cytoplasmic streaming (protoplasmic streaming) cyclosis.cytoplasmic streaming or cyclosis the movement of cytoplasm from one region of a cell to another, often in definite currents, thought to be controlled by MICROFILAMENTS composed of protein similar to ACTIN. Such streaming has several possible functions: - transport of substances from one part of the cell to another (e.g. during TRANSLOCATION in SIEVE TUBES);
- cellular movement (e.g. in PSEUDOPODIA of white blood cells);
- maintenance of optimal temperature;
- provision of optimal light conditions for chloroplasts (e.g. in MESOPHYLL cells of leaf).
ThesaurusSeestreaming |