基本解释：上根
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PURPOSE:The aim of this study was to analyze the association between Hertwig s epithelial root sheath(HERS),noncollagenous matrix proteins,and cementogenesis.目的:研究上皮根鞘细胞(Hertwig's epithelial root sheath,HERS)的发生,非胶原基质蛋白骨桥素(osteopontin,OPN)、骨涎蛋白(bone sialoprotein,BSP)及牙骨质发育之间的关系。
AIM:To analyze the apoptosis and proliferation of HERS (Hertwig s epithelial root sheath) and to evaluate the roles of HERS cells in the development of cementum.目的:观察牙根发育中上皮根鞘细胞(Hertwig′s epithelial root sheath,HERS)断裂后结局和增殖凋亡相关基因的表达,探讨上皮根鞘在牙根发育特别是牙骨质形成中的可能作用。
Main points of study on Hertwig′s epithelial root sheath;Hertwig上皮根鞘的研究重点
Characteristics and Roles of Hertwig s Epithelial Root Sheath and Epithelial Cell Rests of Malassez during Tooth Development;上皮根鞘和上皮剩余在牙齿发育过程中的生物学性状和作用研究
Experimental Study on the Role of Rat Molar Hertwig's Epithelial Root Sheath in Tooth Root Development;大鼠磨牙Hertwig上皮根鞘在牙根发育中作用的实验研究
Biological Characteristic Study on the Apical Bud Cells of Rat Incisors and Molar Hertwig s Epithelial Root Sheath Cells;大鼠切牙Apical bud和磨牙Hertwig’s上皮根鞘细胞生物学性质研究
The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.内皮层皮层的最内层，在根、茎的导管组织周围形成一道叶鞘（茎衣）
Objective: To isolate and culture hair outer root sheath amelanotic melanocyte derived from human scalp.目的从人头皮毛囊外根鞘分离纯化培养无色素黑素细胞。
Study on Restructuring Skin Equivalents with Human Hair Follicle Outer Root Sheath Cells and Fibroblasts;以人毛囊外根鞘细胞和成纤维细胞构建皮肤替代物的实验研究
A protective sheath enclosing the embryonic root of grasses.胚根鞘裹在草的芽根外层的保护鞘
A quality black leather scabbard with nickel silver tip and throat is included.配有高品质的黑色皮革剑鞘，镍黄铜鞘尾和鞘喉。
Both root and root cap are covered by a sheath-like structure called the coleorhiza.根和根冠被一鞘状结构，即胚根鞘所覆盖。
Study on Hair Follicle Dermal Cells Inducing Outer Root Sheath Cells to Form Hair Follicle-like Structure in Dermal Equivalent;毛囊真皮细胞在真皮替代物中诱导外根鞘细胞形成毛囊样结构的研究
radical treatment of hydrocele testis睾丸鞘膜积液根治术
radical operation for funicular hydrocele精索鞘膜积液根治术
Her complexion is like parchment very much the worse for wear.她的皮肤象一副羊皮，根本不配披在身上。
"The term Bill is preferred for the Beak of a Bird, composed of upper and lower jaws covered by a horny sheath of skin, with the nostrils on top, usually at the Base."Bill一词通常指的是鸟喙,由上、下嘴组成,外包一角质皮鞘。背面有鼻孔,常在喙基。
Put a rubber band round these books.用一根橡皮筋扎在这些书上。
They would be fastened to his webbed belt.他们将系牢在他那根网状的皮带上。
Lacking a myelin sheath.Used of a nerve fiber.缺少髓鞘的。用来指一根神径纤维
a parasitic fungus that can infect the mouth or the skin or the intestines or the vagina.能感染口、皮肤、肠或鞘的一种寄生菌类。
