A hormone or hormone-like substance that promotes growth and development, often functioning to enhance or regulate growth processes in organisms.
From 'auxo-' (growth) and 'hormone' (from Greek 'horman,' to set in motion). The term emerged in endocrinology to describe growth-promoting signaling molecules beyond classic hormones.
Plant auxins are nature's growth hormone—these tiny molecules tell stems to grow tall and roots to grow down. Scientists discovered that adding synthetic auxohormones can make plants grow bigger and faster, revolutionizing agriculture!
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