Octopamine(OA) constitutes one of biogenic amines in the invertebrate nervous system.

章鱼(OA)是昆虫体内痕量神经活性物质。

Taking into account of the biogenic components, the algal dolomite, the main component of algal reefs, consisted of Cladosiphonia sinensis, Serpula shandongensis etc.

礁体在成分上以枝管、虫等构成白云岩为主，具有良好储集性能。