Stoma
01
فغرة, فتحة تشبه الفم
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
ثغر, مسام نباتي
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
أمثلة
The stoma provides a pathway for gases to move in and out of the plant's tissues during photosynthesis.
يوفّر الثغر مسارًا للغازات للتحرك داخل أنسجة النبات وخارجها أثناء عملية التمثيل الضوئي.
