chloroplast
/ˈklɔːrə(ʊ)plast
/ /ˈklɔːrə(ʊ)plɑːst/ /ˈklɒrə(ʊ)plast/ /ˈklɒrə(ʊ)plɑːst/noun Botany
A plastid in green plant cells which contains chlorophyll and in which photosynthesis takes place.Fluorescence of guard cell chloroplasts was imaged when plants were at approximately the six-leaf stage....
- As Zeiger et al. have recently emphasized, guard cell chloroplasts show remarkable functional plasticity.
- Even in the late stages of leaf senescence, the chloroplasts of guard cells remain green and functional.
Origin
Late 19th century: coined in German from Greek khlōros 'green' + plastos 'formed'.