A class of biological matter including elongated cells and filaments can be understood in the framework of active nematic liquid crystals. Within these systems, topological defects emerge and give rise to remarkable collective behaviours.

中文翻译：

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有效缺陷的生动证据

在活性向列型液晶的框架内，可以理解一类包括细长细胞和细丝的生物物质。在这些系统中，出现了拓扑缺陷，并引起了明显的集体行为。