Cestida
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Definition
Noun: - A type of ctenophore (comb jelly) characterized by having short tentacles. This term refers specifically to organisms within the taxonomic order Cestida.
Usage Notes
- "Cestida" is a specialized zoological term. It is used as a singular noun to refer to the order itself or as a plural noun to refer to its members collectively (e.g., "The Cestida are...").
- It is typically used in scientific contexts such as marine biology, taxonomy, and zoology.
Examples
- The Cestida are known for their distinctive flattened, ribbon-like body shape.
- Under the microscope, one can observe the characteristic comb rows of a cestida.
- A key identifying feature of the order Cestida is the presence of short tentacles compared to other ctenophores.
Advanced Usage
- In taxonomic classification: "The phylum Ctenophora includes the orders Lobata, Cestida, and Beroida."
Variants and Related Words
- Cestid (noun): An alternative, less common term for an individual organism belonging to the order Cestida.
- Ctenophore (noun): The broader phylum to which the Cestida belong; a comb jelly.
- Cestum (noun): The genus name for the Venus's girdle (), a well-known member of the Cestida order.
Synonyms
- There are no direct common-language synonyms. In precise scientific contexts, "cestid" or "member of the order Cestida" can be used.
Related Phrases/Idioms
- This is a technical term and is not used in idioms or common phrases.
Noun
- ctenophore having short tentacles; one family