Objective To study the biological characteristics of in vitro cultured human keratinocytes for providing the technical parameters in constructing tissue engineering skin.

目的研究体外培养的人表皮角质形成细胞的生物学特性，为构建组织工程皮肤提供技术参数。

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There are other technical methods, such as root-cutting, tillering, grafting, tissue culturing and other methods.

其他育苗技术还有分根、分蘖、嫁接、组织培养等方法。

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The invention discloses an in vitro conservation method of a color calla idioplasm resource, pertaining to the vegetable idioplasm resource conservation and tissue cultivation technical field.

本发明公开了一种彩色马蹄莲种质资源离体保存方法，属于植物种质资源保存及组织培养技术领域。

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Because of time constraints, for all Billy's realistic baby behavior, his creators were unable to capture "the fatty tissue that squishes when a baby moves, " says William Reeves, technical director for Tin Toy.

FORBES