葉緑体(ようりょくたい)

ようりょくたい
noun
chloroplast
sciencenature
1. chloroplast
A green organelle found in plant cells and algae that carries out photosynthesis. Contains chlorophyll, which captures light energy and uses it to produce sugars from carbon dioxide and water.
葉(は)の細胞(さいぼう)には葉緑体(ようりょくたい)がある。
Leaf cells contain chloroplasts.
葉緑体(ようりょくたい)で光合成(こうごうせい)が行(おこな)われる。
Photosynthesis takes place in the chloroplasts.
Chloroplasts contain a green pigment called chlorophyll.
Chloroplasts have their own DNA and are thought to have originated from bacteria.

Composed of 葉緑(ようりょく) (leaf green, i.e., chlorophyll) and 体(たい) (body). A standard term from biology, learned in middle school and high school science.

Usage

  • A plain technical noun; does not take する.
  • Typically appears in biology textbooks and discussions of photosynthesis, cell structure, or plant evolution.

Common collocations

Related words