| 释义 |
Definition of veliger in English: veligernoun ˈviːlɪdʒəˈvēlə- Zoology The final larval stage of certain molluscs, having two ciliated flaps for swimming and feeding. Example sentencesExamples - We did no detailed analysis of the larvae produced from these eggs but they were, based on casual observation, the lecithotrophic veligers described by Sisson.
- Most marine bivalves go through a trochophore stage before turning into a free-swimming veliger larva.
- The veliger usually metamorphoses in 5-6 days.
- As all the Trochoidea, Cittarium pica has a lecitotrophic development and has a relatively short veliger phase.
- Torsion takes place during the veliger stage, usually very rapidly.
Origin Late 19th century: from velum + Latin -ger 'bearing'. Definition of veliger in US English: veligernounˈvēlə- Zoology The final larval stage of certain mollusks, having two ciliated flaps for swimming and feeding. Example sentencesExamples - We did no detailed analysis of the larvae produced from these eggs but they were, based on casual observation, the lecithotrophic veligers described by Sisson.
- As all the Trochoidea, Cittarium pica has a lecitotrophic development and has a relatively short veliger phase.
- Torsion takes place during the veliger stage, usually very rapidly.
- The veliger usually metamorphoses in 5-6 days.
- Most marine bivalves go through a trochophore stage before turning into a free-swimming veliger larva.
Origin Late 19th century: from velum + Latin -ger ‘bearing’. |