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

"stoma"的定义和意义

Stoma
01

造口, 开口

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

气孔

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

stoma

n
example
例子
Each stoma on the leaf's surface opens and closes to regulate the plant's water balance.
The stoma provides a pathway for gases to move in and out of the plant's tissues during photosynthesis.
Botanists study the structure of the stoma to understand how plants adapt to different climates.
The guard cells surrounding the stoma control its opening and closing in response to light and humidity.
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