horizontal hormone

n (a) substance produced within the body of an animal and carried by the blood to an organ which it stimulates to assist growth, etc; similar substance produced by a plant and transported in the sap 激素; 荷尔蒙: [attrib 作定语] hormone deficiency, imbalance 激素缺乏、 失调. (b) synthetic substance that has a similar effect 合成激素.


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