1囊轴：许
囊中结构（毛霉属）。在囊中央形成一个中空腔，其外一层薄壁就叫做囊轴。
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.
轴柱,壳轴,小柱1囊轴：许囊中结构（毛霉属）。在囊中央形成一个中空腔，其外一层薄壁就叫做囊轴。
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.
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