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.
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.
目的探讨肺脏原发性恶性外周神经鞘瘤(MPNST)的临床病理学特征及诊断、鉴别诊断要点。
Purpose to investigate the clinical pathologic characteristics and to probe into the diagnosis and differential diagnosis of the primary malignant peripheral nerve sheath tumor (MPNST) of the lung.
治疗组除在常规治疗基础上鞘内注射干扰素外，还按干扰素注射的剂量分为大剂量组与小剂量组。
Treatment group treated with interferon intrathecal injection except for routine treatment. Then we devided the treatment group to big dose interferon group and little dose group .
方法回顾性分析经手术病理证实的外周神经鞘瘤37例，对其声像图表现进行总结，并与其易误诊病变进行鉴别诊断。
Methods Retrospective analysis confirmed by surgery and pathology of peripheral neurilemmoma in 37 cases, Their performance ultrasound to sum up, Misdiagnosed disease and its differential diagnosis.
中柱最前端可较早地分化出中柱的最外一层中柱鞘。
The anterior portion of the stele differentiated rather early into an outer layer-pericycle.
目的：探讨肢体的外周神经鞘类肿瘤的高频超声图像特征。
Objective: To explore high resolution sonographic appearances of peripheral nerve sheath tumors of the extremities.
方法：用高频超声检查了肢体的外周神经鞘类肿瘤6例，其中4例为神经鞘瘤，2例为神经纤维瘤。
Methods: High resolution ultrasonography was used to evaluate 6 patients with peripheral nerve sheath tumors of the extremities, among them 4 cases were neurilemmas, 2 cases were neurofibromas.
目的：通过培养人毛囊外根鞘细胞群，观察其增殖活性及细胞角蛋白k 19的表达。
AIM: to investigate the expression of cytokeratin K19 and proliferation capability in cultured follicular outer root sheath cells derived from plucked human sc alp hair.
目的建立毛囊外根鞘细胞的分离和培养方法。
Objective To establish a method for isolation and cultivation in vitro of human hair follicle outer root sheath cells.
在鞘层内存在大量高能离子，除表面反应外，离子还能对粉粒表面进行刻蚀，因此钝化效应将消失。
There were a lot of high energy ions in the sheath area, beside the surface reactions, the surface of particulates could be etched by the ions, and the passivation effect would be eliminated.
结果髓外肿瘤34例，以神经鞘瘤和脊膜瘤为主；髓内肿瘤5例。
Results Extramedullary tumors were found in 34 cases, mainly including neurinoma and meningioma, and intramedullary tumors in 5 cases.
视神经减压术管内鞘切开部位宜选择在鞘的外、上壁交界外。
It would be safe to incise the superior lateral wall of intra canal optic sheath in the decompression of optic nerve.
目的研究利用少动鞘脂单胞菌发酵生产胞外多糖结冷胶的摇瓶发酵条件。
Objective This paper researches the fermentation condition of gellan gum production utilizing Sphingomonas paucimobilis.
内根鞘、外根鞘界限模糊，结缔组织性鞘细胞纤维排列杂乱，结缔组织细胞减少。
The bourn of internal root sheath and external root sheath was blurry, the fiber of connective tissue sheath cell arrayed disordered, the number of connective tissue cell reduced.
结论在表皮基底层、毛囊外根鞘区存在表皮干细胞。
Conclusion the epidermal stem cells of rats are located at the basal layer of epidermis and the hair follicle bulge.
探讨髓外硬膜下神经鞘瘤MR增强影像特征及其与病理的相关性。
Our study was disigned to evaluate the features of the enhanced MRI in subdural extramedullary neurinoma and the correlation between its enhanced MRI and pathologic findings.
通过外周神经切片观察发现，在神经束与其外面的神经束膜之间，存在由神经束细胞构成的上皮细胞鞘。
It has been observed microscopically, With sections of peripheral nerve, that there is an epithelial neurilemma consisting of nerve-tract cells between nerve-tract and the surrounding membrane.
目的：讨论带有外鞘的超声探头吸脂术的平安性和有效性。
Objective: To investigate the effects and safes of ultrasound-assisted liposuction by the probe with the sheath.
良性外周神经鞘瘤可分为两大类，神经鞘瘤及神经纤维瘤。
Benign peripheral nerve sheath tumors can be divided into two major groups: Schwannomas and neurofibromas.
外周神经鞘瘤最常见发生在下肢。
Peripheral schwannomas are most often seen in the lower extremity.
髓内神经鞘瘤可分为髓内型与髓外髓内型。
Intramedullary neurilemmomas may be divided into two type: intramedullary type, and extra-intramedullary type.
肿瘤影响邻近骨骼并侵犯几乎所有眼眶结构：眼球，眼外肌，视神经鞘以及感觉神经分支。
Tumors affect nearby bone and invade almost all orbital structures, including: globe, extraocular muscles, optic nerve sheath, and branches of sensory nerves.
肿瘤影响邻近骨骼并侵犯几乎所有眼眶结构：眼球，眼外肌，视神经鞘以及感觉神经分支。
Tumors affect nearby bone and invade almost all orbital structures, including: globe, extraocular muscles, optic nerve sheath, and branches of sensory nerves.
应用推荐