释义 |
DictionarySeeplastidtrophophase
trophophase[′träf·ə‚fāz] (microbiology) A period in culture production characterized by active microbial cell growth and the formation of primary metabolites. trophoplast
trophoplast [trof´o-plast] a granular protoplasmic body.plas·tid (plas'tid), 1. One of the differentiated structures in cytoplasm of plant cells where photosynthesis or other cellular processes take place; plasid contain DNA and are self-replicating. Synonym(s): trophoplast2. One of the granules of foreign or differentiated matter, food particles, fat, waste material, chromatophores, trichocysts, etc., in cells. 3. A self-duplicating viruslike particle that multiplies within a host cell, such as κ particles in certain paramecia. [G. plastos, formed, + -id] plas·tid (plas'tid) 1. One of the differentiated structures in cytoplasm of plant cells where photosynthesis or other cellular processes are carried on; contain DNA and are self replicating. Synonym(s): trophoplast. 2. One of the granules of foreign or differentiated matter in cells: food particles, fat, waste material, chromatophores, and trichocysts. 3. A self-duplicating viruslike particle that multiplies within a host cell (e.g., kappa particles in certain paramecia). [G. plastos, formed, + -id] |