NOUN
- radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
How To Use cnidarian In A Sentence
- Collectively, these studies indicate that iodinated organic compounds, such as thyroxine, can affect strobilation and mineralization in cnidarians.
- There's also the weird facet that hox genes are only rudimentary present in cnidarians, making the complexity of wnts even more fascinating. Death of a popular anti-ID argument
- Sphenothallus Hall, 1847 is a widespread Paleozoic marine taxon that has been interpreted most recently as a tubiculous annelid or other ‘worm’ or as a thecate hydrozoan or scyphozoan cnidarian.
- Hox genes have been isolated from a number of cnidarian species including hydra.
- Members of the phylum Ctenophora bear some general similarities to cnidarian medusae including a gelatinous mesenchymal layer and a symmetrical organization around an aboral / oral axis.
- The same is true for hydra, a freshwater cnidarian.
- It is a widespread Paleozoic marine taxon that has been interpreted most recently as a tubiculous annelid or other ‘worm’ or as a thecate hydrozoan or scyphozoan cnidarian.
- In some cases, gene relationships among cnidarian groups are congruent with the species phylogeny: hydrozoan sequences are sister-group to scyphozoan sequences, with anthozoan sequences branching basally to this ensemble. PLoS ONE Alerts: New Articles
- It is therefore largely appreciated that the resemblance between ctenophores and cnidarians is superficial and does not reflect a particularly close evolutionary relationship.
- Fossils of the Twitya Formation are generally presumed to be cnidarians, or at least metazoans of cnidarian grade.