medusoid
Học thuậtThân thiện
Definition
Adjective:
- Relating to or resembling a medusa (jellyfish): Describes something that has the characteristics, form, or qualities of a jellyfish.
Noun:
- The free-swimming, umbrella-shaped stage in the life cycle of a coelenterate: In many cnidarians (like jellyfish and some corals), this is the sexual, often pelagic phase of the life cycle. It typically has a gelatinous, bell-shaped body with trailing tentacles.
Usage Examples
Adjective:
- The artist created a medusoid sculpture with flowing, translucent tendrils.
- Some deep-sea creatures have a medusoid appearance, drifting passively in the currents.
Noun:
- The life cycle of many cnidarians alternates between a sedentary polyp and a mobile medusoid.
- The medusoid is responsible for the dispersal of the species through sexual reproduction.
Advanced Usage
- In Biological Classification: The term is used to describe the body form of certain cnidarians, contrasting with the "polypoid" form.
- The class Scyphozoa consists primarily of organisms that spend most of their life cycle in the medusoid stage.
Variants and Related Words
- Medusa (n): The common name for a jellyfish; also, in Greek mythology, a Gorgon.
- Medusan (adj): Another adjective meaning relating to or resembling a medusa or jellyfish.
- Polyp (n): The often sessile, asexual stage in the life cycle of a coelenterate, which contrasts with the medusoid.
Synonyms
- Jellyfish-like (adj): Having a resemblance to a jellyfish.
- Free-swimming stage (n): A general term for the mobile phase in aquatic life cycles.
Related Terms (Contextual)
- Cnidarian (n): A member of the phylum Cnidaria, which includes jellyfish, corals, and sea anemones.
- Planula (n): The ciliated larval stage of a cnidarian, which develops from a medusoid or polyp.
Adjective
- relating to or resembling a medusa
Noun
- one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles