这个词是什么意思？
Physical changes in the growth patterns of a plant brought on by sustained absence of light. These changes are characterized by lengthened internodes which produce long weak stems, fewer leaves, and pale yellow color (chlorosis). The physiological basis for etiolation is induction of the phytohormone, AUXIN.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D064527 · MeSH 2026。
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