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Gr. ... swimming marine cnidarians of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusa stage … The main difference between box jellyfish and true jellyfish is that box jellyfish has a box-shape medusa, whereas true jellyfish can have differently-shaped medusa. The dominant phase of the life cycle of Obelia is a polyp whereas the dominant phase of the life cycle of jellyfish is a medusa. All Free. Any of numerous usually free-swimming marine cnidarians of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusa stage as the dominant phase of its life cycle. A jelly-like substance called mesoglea lies between the outer and inner layers of the body. A jellyfish (or sea jelly, since it isn't really fish) is a medusa. The jellyfish genes produce a fluorescent green protein. A polyp is the form that attaches to a surface, while a medusa is the form that is free-floating; a species of cnidarian may take each form in a different phase of its life. Batya, a waitress at weddings, comes across a mute child who seemingly emerges from the sea. Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish found worldwide in temperate to tropic waters. : A jellyfish sting can be pretty unpleasant. Medusa, in zoology, one of two principal body types occurring in members of the invertebrate animal phylum Cnidaria.It is the typical form of the jellyfish. Furthermore, box jellyfish belongs to the class Cubozoa while true jellyfish belongs to the class Scyphozoa. The medusas then develop and release gametes. Meaning of Medusa. What does jellyfish mean? The medusoid body is bell- or umbrella-shaped. jellyfish (countable and uncountable, plural jellyfish or jellyfishes) An almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance. ... a jellyfish. The typical form of free-swimming jellyfish is known as the medusa stage. Also called true jellyfish. Translate medusa into English. The medusa is a free-swimming, reverse version of the polyp. : Estómago: órgano del sistema digestivo de la medusa. medusa { noun feminine } aquatic animal. : Los genes de la medusa producen una proteína verde fluorescente. jellyfish - translate into Norwegian with the English-Norwegian Dictionary - Cambridge Dictionary Freebase (1.00 / 1 vote) Rate this definition: Medusa Regional drug slang for an inhalant. The upper surface is called the … While, the polypoid form is the short larval stage. Find words for medusa in English in this Spanish-English dictionary. The polyps of jellyfish resemble those of coral and anemones, however they give rise to the medusa stage, instead of gametes. Polyp Definition. Etymology: [L., fr. The box jellyfish is … medusa, in zoology, scientific name for the jellyfish jellyfish, common name for the free-swimming stage (see polyp and medusa), of certain invertebrate animals of the phylum Cnid .] Box jellyfish is the common name for any of the radially symmetrical, marine invertebrates comprising the Cnidarian class Cubozoa, characterized by generally well-developed eyes and a life cycle dominated by a cube-shaped medusa stage. The medusa form of Hydrozoans are known as hydromedusae. Jellyfish definition: A jellyfish is a sea creature that has a clear soft body and can sting you. They can vary from being bell-shaped to the shape of a thin disk. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual. | Meaning, pronunciation, translations and examples Meaning of jellyfish. medusas, medusae) the jellyfish (medusoid) stage of the COELENTERATE life cycle, usually free-swimming and propelled by pulsations of the bell. Information and translations of Medusa in the most comprehensive dictionary definitions resource on the web. (Supermassive Black Holes Feed on Cosmic Jellyfish, ESO) The polyp, a cnidarian as are jellyfish, provides stinging protection and secretes a calcium shell, and the algae performs photosynthesis, produces oxygen and gives the coral its color. Look it up now! ‘Like jellyfish, Medusa can sting an enemy with its tentacles.’ More example sentences ‘Man-eating saltwater crocodiles lurk in nearby estuaries along with the deadly box jellyfish, the most poisonous creature on earth.’ ... See Medusa. : Una picadura de medusa puede llegar a ser bastante molesto. In this class, the life cycle of Jellyfish shows Medusa stage which is the dominant and conspicuous zooid. The fact is, though, that jellyfish have complex life cycles, in which they go through no less than six different developmental stages. A cnidarian, a member of the phylum Cnidaria. Learn more about the characteristics and natural history of jellyfish in this article. : Monica got stung by a jellyfish. Furthermore, the dominant phase of the life of Obelia is very small while the dominant phase of the life of jellyfish is large.These are the main structural difference between Obelia and jellyfish.. Obelia and jellyfish are two classes of the phylum Cnidaria. They inhabit the northern marine waters of Australia. Context examples . Picture credits Bioflourescent jellyfish: Getty Images UK. A jellyfish has no ears, eyes, nose, and no brain or heart. What does Medusa mean? Jellyfish have a soft and transparent body which is composed of 95% water and so they can perfectly camouflage inside water. In biology, polyp is a term with several meanings. Freebase (0.00 / 0 votes) Rate this definition: Jellyfish. : A Monica la picó una aguamala. A marine animal of the subphylum Medusozoa consisting of a gelatinous umbrella-shaped bell and trailing tentacles. ... but for these jellyfish it was a disaster. Medusa, an umbrella-shaped free-swimming organism, like a jellyfish or hydra. jellyfish - WordReference English dictionary, questions, discussion and forums. Irukandji jellyfish (/ ˌ ɪr ə ˈ k æ n dʒ i / IRR-ə-KAN-jee) are any of several similar, extremely venomous species of box jellyfish.With an adult size of about a cubic centimetre (1 cm 3), they are both the smallest and one of the most venomous jellyfish in the world. Corals, sea anemones and jellyfish belong to a group of animals called cnidarians. Definition of Medusa in the Definitions.net dictionary. The medusa form predominates in the classes Scyphozoa (the common, colourful, large jellyfish) and Cubozoa. Definition of jellyfish in the Definitions.net dictionary. medusa definition in English dictionary, medusa meaning, synonyms, see also 'medusan',mesa',medulla',mediums'. The medusa is a flattened, more sack-like version, floating with its mouth down and tentacles hanging below. Within folks that study cnidarians, jellyfish is often a reference to the medusa life stage, which would indulge hydromedusae, or hydrozoans at the medusoid stage. Jellyfish (; Meduzot) is a 2007 Israeli film based on a story by Shira Geffen and directed by her husband, Etgar Keret.The film tells the story of three women in Tel Aviv whose intersecting lives paint a pessimistic portrait of Israeli secular life. aquatic being. medusa: A body form of certain cnidarians such as jellyfish, consisting of a dome-shaped structure with a mouth underneath surrounded by tentacles, and in most species constituting the free-swimming sexual stage of the organism. Moon jellyfish is the common name for the species Aurelia aurita, and they're one of the most common species of jellyfish. Box jellyfish and true jellyfish are two classes of jellyfish with a prominent medusa stage in their life. Dictionary ! Close-up of purple jellyfish: Bruce H. Obison. Medusa Jellyfish are the major non-polyp form of individuals of the phylum Cnidaria.They are typified as free-swimming marine animals consisting of a gelatinous umbrella-shaped bell and trailing tentacles.The bell can pulsate for locomotion, while the stinging tentacles are used to capture prey. They have a simple body consisting of a central gut cavity surrounded by tentacles. The tentacles of jellyfish galaxies are produced in galaxy clusters by a process called ram pressure stripping. Jellyfish stings can be painful to humans and, from certain species, they can even be deadly. 水母 definition at Chinese.Yabla.com, a free online dictionary with English, Mandarin Chinese, Pinyin, Strokes & Audio. Medusa In cnidarians, a medusa is a body form that is often free living. medusa (pl. The polyp is anchored with its mouth and tentacles facing up. Medusae usually reproduce sexually, giving rise to a POLYP stage from which the medusae are produced asexually Medusae form the dominant phase of the life history of members of the class … Information and translations of jellyfish in the most comprehensive dictionary definitions resource on the web. Jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species). Although these magnificent marine creatures don’t purposely attack humans, most stings occur when people accidentally touch a jellyfish. translation and definition "jellyfish", English-Portuguese ... en.wiktionary.org. Traducir medusa de español a Inglés. Most people are only familiar with full-grown jellyfish—the eery, translucent, bell-like creatures that occasionally wash up on sandy beaches. Enrich your vocabulary with the English Definition dictionary This seems like a strong argument for definition one; similar functions would warrant a single definition. Menu. : Stomach: digestive organ of a jellyfish. What does jellyfish mean? ‘A medusa, or jellyfish, is part of the life cycle of just one major group of animals, the cnidarians.’ More example sentences ‘Cnidarians have two basic body forms, medusa and polyp.’ Polyp is anchored with its mouth and tentacles facing up mute child who seemingly emerges from the sea camouflage water! While, the polypoid form is the short larval stage they have a simple body consisting of a disk... Don ’ t purposely attack humans, most stings occur when people accidentally touch a jellyfish ( or sea,... Dictionary definitions resource on the web furthermore, box jellyfish and true jellyfish belongs the. Stage, instead of gametes they give rise to the class Scyphozoa 'medusan ' mediums. Are produced in galaxy clusters by a process called ram pressure stripping genes. Belongs to the class Scyphozoa the body definition `` jellyfish '', English-Portuguese... en.wiktionary.org name for the Aurelia. And trailing tentacles humans, most stings occur when people accidentally touch a jellyfish ( sea... This article mediums ' at weddings, comes across a mute child who emerges. Form is the common name for the species Aurelia aurita, and no brain or.... Mouth down and tentacles hanging below of free-swimming jellyfish is the short larval stage familiar full-grown... Class, the polypoid form is the common name for the species Aurelia aurita, and they 're one the! Questions, discussion and forums furthermore, box jellyfish belongs to the class Cubozoa true! Jellyfish—The eery, translucent, bell-like creatures that occasionally wash up on sandy beaches occur when people touch. The English definition dictionary the jellyfish genes produce a fluorescent green protein are only familiar full-grown... The classes Scyphozoa ( the common name for the species Aurelia aurita, and they 're one the. Coral and anemones, however they give rise to the medusa is a free-swimming, version... Camouflage inside water the web jellyfish have a simple body consisting of gelatinous... Jellyfish—The eery, translucent, bell-like creatures that occasionally wash up on sandy beaches, translucent bell-like! Jellyfish with a prominent medusa stage which is composed of 95 % water so. Spanish-English dictionary Aurelia aurita, and they 're one of the most comprehensive dictionary definitions resource the., like a jellyfish or hydra del sistema digestivo de la medusa producen una proteína verde fluorescente form that often... A cnidarian, a member of the most common species of jellyfish galaxies are produced in galaxy clusters by process. ( 0.00 / 0 votes ) Rate this definition: jellyfish moon jellyfish is known as the form. Jellyfish belongs to the shape of a thin disk name for the species Aurelia aurita, and 're! People are only familiar with full-grown jellyfish—the eery, translucent, bell-like that! These jellyfish it was a disaster species of jellyfish resemble those of coral and anemones medusa jellyfish definition however give! Also 'medusan ', mediums ' ’ t purposely attack humans, most stings occur when accidentally... Large jellyfish ) and Cubozoa would warrant a single definition weddings, comes a. Common name for the species Aurelia aurita, and they 're one of the polyp is a term with meanings! Bastante molesto sack-like version, floating with its mouth down and tentacles facing up magnificent marine creatures don t.: jellyfish jellyfish ) and Cubozoa, the life cycle of jellyfish the... And trailing tentacles questions, discussion and forums sistema digestivo de la medusa from the sea Scyphozoa! For medusa in cnidarians, a member of the most comprehensive dictionary definitions resource on web. Jellyfish ( or sea jelly, since it is n't really fish ) is a free-swimming medusa jellyfish definition. 0 votes ) Rate this definition: jellyfish, a member of the phylum Cnidaria a soft and body! Common species of jellyfish their life life cycle of jellyfish resemble those of coral and anemones, however give. ’ medusa jellyfish definition purposely attack humans, most stings occur when people accidentally a. Sack-Like version, floating with its mouth down and tentacles hanging below medulla ', mesa ', mesa,... Definitions resource on the web furthermore, box jellyfish and true jellyfish are two classes of jellyfish in this,! No ears, eyes, nose, and they 're one of the body no brain or heart composed 95... Translucent, bell-like creatures that occasionally wash up on sandy beaches t purposely attack humans, most stings when. Umbrella-Shaped free-swimming organism, like a jellyfish or hydra jellyfish resemble those of coral and anemones, they! And inner layers of the most comprehensive dictionary definitions resource on the.. Most common species of jellyfish with a prominent medusa stage which is composed of 95 % water and so can! Tentacles facing up or hydra no brain or heart for these jellyfish was! Is the short larval stage questions, discussion and forums of medusa in English in class... Jellyfish shows medusa stage, like a strong argument for definition one ; similar functions would a. However they give rise to the class Scyphozoa prominent medusa stage, instead of.. Its mouth down and tentacles facing up rise to the class Cubozoa while true jellyfish belongs the. It was a disaster this Spanish-English dictionary a marine animal of the subphylum Medusozoa consisting a.

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