毛干和内根鞘当到达体表时融合在一起：外根鞘仍然保持在原来的位置。
The hair shaft and inner root sheath move together as the hair grows toward the surface: the outer root sheath remains fixed in position.
毛球之上的细胞形成毛发，产生由分化的表皮细胞构成的同心环状区，形成内根鞘和外根鞘。
The hair is formed from cells just above the bulb, which also give rise to concentric zones of differentiated epithelial cells destined to form the inner and outer root sheaths.
组织病理学检查示肿瘤呈分叶状增生，与表皮相连，主要由向外毛根鞘分化的鳞状上皮组成，周边基底细胞排列成栅栏状。
They were mainly consisted of epithelia differentiated towards cells of the outer root sheath, and the peripheral basal cells of the tumor lobules showed palisading arrangement.
透射电镜观察表明，棉铃虫触角上起嗅觉作用的毛形感器和锥形感器均由表皮壁、鞘细胞、感受器淋巴液和感觉神经细胞树突等结构组成。
Sensillum trichodeum and sensillum basiconicum, the main chemical odor receptors on antennae of Helicoverpa armigera, consist of cuticular wall, sheath cells, sensillum lymph and dendrites.
目的：建立毛喉鞘蕊花药材的HPLC-ELSD指纹图谱。
Objective: To establish HPLC-ELSD fingerprint of Coleus forskohlii.
目的：建立毛喉鞘蕊花药材的HPLC-ELSD指纹图谱。
Objective: To establish HPLC-ELSD fingerprint of Coleus forskohlii.
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