stoma
pronunciation
How to pronounce stoma in British English:
UK [ˈstəʊmə]
How to pronounce stoma in American English:
US [ˈstoʊmə]
-
- Noun:
- a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
- a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
Word Origin
- stoma (n.)
- "orifice, small opening in an animal body," 1680s, Modern Latin, from Greek stoma (genitive stomatos) "mouth; mouthpiece; talk, voice; mouth of a river; any outlet or inlet," from PIE root *stom-en-, denoting various body parts and orifices (cognates: Avestan staman- "mouth" (of a dog), Hittite shtamar "mouth," Middle Breton staffn "mouth, jawbone," Cornish stefenic "palate"). Surgical sense is attested from 1937.
Example
- 1. State the function of stoma and guard cell .
- 2. A stoma is an opening through which carbon dioxide goes in and oxygen and water vapor escape .
- 3. Provide information related to the planned surgery and stoma .
- 4. Study on leaf stoma density of 12 representative genus of rosaceae family .
- 5. The stoma and guard cells are collectively called the stomatal apparatus .