外毛根鞘(outer root sheath)由数层细胞构成，相当于棘层和基底层。结缔组织鞘(dermalroot sheath)的内层为玻璃膜，相当于加厚的基底膜带；中层为较致密的结缔...
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增生性外毛根鞘瘤 Proliferating trichilemmal tumor
恶性增生性外毛根鞘瘤 malignant proliferating tricholemmoma
外毛根鞘癌 trichilemmocarcinoma ; TLC
称外毛根鞘囊肿 Trichilemmal cyst
尤其在毛囊的外毛根鞘 outer root sheath ; ORS
人毛囊外根鞘细胞 HHORSC
毛囊外根鞘 outer root sheath ; ORS
毛囊外根鞘细胞混悬液 NCORSHFS
的基底层和毛囊外根鞘 outer root sheath ; ORS
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.
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