planula (Meaning)
planula (n)
the flat ciliated free-swimming larva of hydrozoan coelenterates
planula (n.)
In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula. Sometimes used as synonymous with gastrula.
The very young, free-swimming larva of the coelenterates. It usually has a flattened oval or oblong form, and is entirely covered with cilia.
Synonyms & Antonyms of planula
No Synonyms and anytonyms found
planula Sentence Examples
- The planula larvae of the sea anemone cling to a substrate and metamorphose into polyps.
- The planula is a free-swimming larval stage in the life cycle of most cnidarians.
- Planula larvae are equipped with sensory structures that help them locate suitable settlement sites.
- Upon settling, planula larvae undergo a metamorphosis into sessile polyps or mobile medusae.
- The planula stage allows cnidarians to disperse and colonize new habitats.
- The size and shape of the planula can vary depending on the species of cnidarian.
- Planula larvae possess a hollow gastrovascular cavity and a sensory apical tuft.
- The planula's ability to swim and settle is critical for the survival and distribution of cnidarians.
- Researchers have studied planula larvae to gain insights into cnidarian development and evolution.
- Planula larvae are often encountered in coastal waters and provide a glimpse into the complexities of marine life cycles.
FAQs About the word planula
the flat ciliated free-swimming larva of hydrozoan coelenteratesIn embryonic development, a vesicle filled with fluid, formed from the morula by the divergence
No synonyms found.
No antonyms found.
The planula larvae of the sea anemone cling to a substrate and metamorphose into polyps.
The planula is a free-swimming larval stage in the life cycle of most cnidarians.
Planula larvae are equipped with sensory structures that help them locate suitable settlement sites.
Upon settling, planula larvae undergo a metamorphosis into sessile polyps or mobile medusae.
