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Bookmark or Share- Jellyfish - WikipediaJellyfish, also known as sea jellies, are the medusa -phase of certain gelatinous members of the subphylum Medusozoa, which is a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are anchored to the seabed by stalks rather than being mobile.
- Phylum Cnidaria | OpenStax Biology 2e - Lumen LearningMedusa forms are motile, with the mouth and tentacles hanging down from an umbrella-shaped bell. Figure 2. Cnidarian body forms. Cnidarians have two distinct body plans, the medusa (a) and the polyp (b). All cnidarians have two membrane layers, with a jelly-like mesoglea between them.
- Cnidarians Facts: Corals, Jellyfish, and Sea Anemones - ThoughtCoThere are two types of cnidarians, called polypoid and medusoid. Polypoid cnidarians have tentacles and a mouth that face up (think of an anemone or coral). These animals are attached to a substrate or colony of other animals. Medusoid types are those like jellyfish—the "body" or bell is on top and tentacles and mouth hang down.
- 28.2: Phylum Cnidaria - Biology LibreTextsThe cnidocyte is a specialized cell for delivering toxins to prey as well as warning off predators. Cnidarians have separate sexes and have a lifecycle that involves morphologically distinct forms. These animals also show two distinct morphological forms—medusoid and polypoid—at various stages in their lifecycle.
- Medusoid, A Tissue-Engineered Jellyfish with the Ability to SwimTheir method for building the tissue-engineered jellyfish, dubbed Medusoid, is outlined in a Nature Biotechnology paper that appears as an advance online publication on July 22. “A big goal of our study was to advance tissue engineering,” says Janna Nawroth, a doctoral student in biology at Caltech and lead author of the study.
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