thylakoid
/ˈθaɪləˌkɔɪd/noun
- Botany each of a number of flattened sacs inside a chloroplast, bounded by pigmented membranes on which the light reactions of photosynthesis take place, and arranged in stacks or grana【植】类囊体。
词源
1960s: from German Thylakoid, from Greek thulakoidēs 'pouch-like'， from thulakos 'pouch'.