Hair (trichome) an outgrowth from a plant epidermal cell. Plant hairs may take a wide variety lf forms, often characteristic of particular species or genera.
毛(毛状体)：是植物表皮细胞突起形成的结构，其形状多种多样，通常具有明显的种属特征。
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Objective To observe the growth kinetics of dermal papilla cells and dermal sheath cells from human hair follicles in vitro and the effect of epidermal growth factor (EGF) on them.
目的观察人正常头皮毛囊真皮成分的细胞体外培养的生长繁殖曲线及表皮细胞生长因子对它们的影响。
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A filamentous projection or bristle similar to a hair such as a seta of an arthropod or an epidermal process of a plant.