1.The hyphae of certain fungi (e.g.Mucor) are positively chemotropic, growing toward a particular source of food.
某些真丝（毛霉Mucor）是正向性，向着一定食物来源生长。
2.1轴：许多接合孢中结构（毛霉属）。在孢中央形成一个中空腔，其外一层薄壁就叫做轴。
Columella 1. The structure present in sporangia of many zygomycete fungi (e.g. Mucor) produced by formation of a domeshaped septum cutting off the sporangium from the sporangiohore.
词
，霉
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观点；若发现问题，欢迎向我们指正。
轴：许多接合
