海绵是最原始的多细胞动物,我国南海有几千种。国外从海绵中发现了多种新颖萜类、甾体和一些含氮、硫、卤素和带特异官能团的化合物。其中有些化合物具有学术上的重要意义,有些具有很强的生理活性,有些则已发展 Sponge is the most primitive multicellular animals, there are thousands of species in the South China Sea. A variety of novel terpenoids, steroids and some nitrogen, sulfur, halogen and compounds with specific functional groups have been discovered abroad from sponges. Some of these compounds are of academic importance, some have strong physiological activity and some have been developed