جميع المواضيع المتعلقة بـ ‘hormone’

 

abscisic acid حمض الأبسيسيك

A plant hormone (C15H20O4) and weak acid that generally acts to inhibit growth, induces dormancy, and helps the plant tolerate stressful conditions by closing stomata. Abscisic acid was named based on a belief that the hormone caused the abscission (shedding) of leaves from deciduous trees during the fall. At times when a plant needs to slow down growth and assume a resting stage (dormant), abscisic acid is produced…

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aldosterone

A hormone produced by the adrenal glands that controls excretion of sodium by the kidneys and thereby maintains the balance of salt and water in the body fluids.

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