scyphistoma 的定义
plural scy·phis·to·mae [sahy-fis-tuh-mee], /saɪˈfɪs təˌmi/, scy·phis·to·mas.
- a stage in the life cycle of a jellyfish or other scyphozoan when it is fixed in place and reproduces asexually to produce free-swimming medusas.
更多scyphistoma例句
- Strobila, stro-bī′la, n. a discomedusan at the stage succeeding the scyphistoma: a segmented tapeworm.
- The original terminal ring of tentacles of the Scyphistoma gradually atrophies.
- With the above changes the so-called Hydra tuba or Scyphistoma form is reached (vide fig. 85).
- The formation of the sexual Medusa form takes place by a kind of strobilization of the body of the fixed Scyphistoma.