gemmule
/ˈdʒemjuːl/noun
- Zoology a tough-coated dormant cluster of embryonic cells produced by a freshwater sponge for development in more favourable conditions【动】（淡水海绵的）芽球。
派生词
gemmulation
noun词源
mid 19th cent.: from French, from Latin gemmula, diminutive of gemma 'bud, jewel'.