单舌锁和双舌锁可供选择。

Single key hole and double key hole are available.

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甲状舌管囊肿及鳃裂囊肿呈单房性，淋巴管瘤多为多房性，颈淋巴结囊性转移瘤伴有壁结节。

Most of the thyroglossal duct cyst and branchial cleft cyst were monolocular, while lymphangioma multilocular. Metastatic tumors of the cystic lymph nodes were always associated with wall nodule.

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卷舌和尖舌均为常染色体单基因显性遗传，能卷舌型和能尖舌型分别为显性性状；

The hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can-rolling type or can-pointed type was the dominant character.

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