1．1．2原卵区 生殖干细胞位于原卵区较远的前端，与称为端丝（terminal filament）的体细胞 3 第一章文献综述 家蚕卵巢生殖发育相关基因的研究 结构接触。
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结果表明：蝎蛉卵巢由12根多滋式卵巢小管组成每个卵巢小管分为端丝、生殖区和生长区。
The results showed that each of the two ovaries consists of 12 polytrophic ovarioles, which can be differentiated into the terminal filament, a germarium, a vitellarium and a pedicel.
把铁锤放在，金属丝一端。
钢管和管件有两种标准端部型式，即：法兰和丝扣。
Two types of end are standard on steel pipes and fittings, that is flanged and screwed.
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