…Cephalodia are sac-like organs containing cyanobacteria that occur in lichens that have a symbiotic relationship with green algae. They occur in species such as Diplocarpon, Polytrichum, and Polytrichum. Those that form on the surface of the lichen are called external capitates, and those that form inside the lichen are called internal capitates, and their shape is determined by the type of lichen. Lichens reproduce sexually by spores and asexually by sporulation and fission. … *Some of the terminology that refers to the "external head body" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…頭状体cephalodiaは緑藻を共生藻とする地衣類に生じるラン藻の入った袋状の器官で,カブトゴケ,ツメゴケ,モゴケ属等に生じる。地衣体表面にできるものを外部頭状体,地衣体内部にできるものを内部頭状体と呼び,その形状は地衣類の種類によって決まっている。 地衣類の生殖は胞子による有性的な方法と,粉芽,裂芽等による無性的な方法によって行われる。… ※「外部頭状体」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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