Stoma
volume
British pronunciation/stˈə‍ʊmɐ/
American pronunciation/ˈstoʊmə/
stomata

تعریف و معنای "stoma"

Stoma
01

استوما, دهانه جراحی

a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
02

a microscopic pore found on the surface of leaves and stems of plants, involved in gas exchange, including the uptake of carbon dioxide and release of oxygen and water vapor

example
Example
click on words
Each stoma on the leaf's surface opens and closes to regulate the plant's water balance.
The number of stomata per square inch on a leaf is influenced by environmental conditions.
Botanists study the structure of the stoma to understand how plants adapt to different climates.
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