a membrane surrounding the spongin fibres and spicules in a sponge.
| 单词 | θ31895 |
| 释义 | the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sheath surrounding fibre (1) perifibrum1884 a membrane surrounding the spongin fibres and spicules in a sponge. |
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