medusa jellyfish definition

The medusas then develop and release gametes. Moon jellyfish is the common name for the species Aurelia aurita, and they're one of the most common species of jellyfish. Picture credits Bioflourescent jellyfish: Getty Images UK. Gr. ... but for these jellyfish it was a disaster. Medusa, an umbrella-shaped free-swimming organism, like a jellyfish or hydra. Jellyfish stings can be painful to humans and, from certain species, they can even be deadly. Furthermore, box jellyfish belongs to the class Cubozoa while true jellyfish belongs to the class Scyphozoa. 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. medusa definition in English dictionary, medusa meaning, synonyms, see also 'medusan',mesa',medulla',mediums'. Batya, a waitress at weddings, comes across a mute child who seemingly emerges from the sea. 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. Jellyfish have a soft and transparent body which is composed of 95% water and so they can perfectly camouflage inside water. In this class, the life cycle of Jellyfish shows Medusa stage which is the dominant and conspicuous zooid. Learn more about the characteristics and natural history of jellyfish in this article. The box jellyfish is … 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. : A jellyfish sting can be pretty unpleasant. They can vary from being bell-shaped to the shape of a thin disk. jellyfish - translate into Norwegian with the English-Norwegian Dictionary - Cambridge Dictionary jellyfish - WordReference English dictionary, questions, discussion and forums. Medusa In cnidarians, a medusa is a body form that is often free living. What does Medusa mean? 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. Meaning of Medusa. The medusa form predominates in the classes Scyphozoa (the common, colourful, large jellyfish) and Cubozoa. What does jellyfish mean? Freebase (0.00 / 0 votes) Rate this definition: Jellyfish. | Meaning, pronunciation, translations and examples Enrich your vocabulary with the English Definition dictionary Menu. (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. What does jellyfish mean? 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. ‘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.’ 水母 definition at Chinese.Yabla.com, a free online dictionary with English, Mandarin Chinese, Pinyin, Strokes & Audio. Also called true jellyfish. The tentacles of jellyfish galaxies are produced in galaxy clusters by a process called ram pressure stripping. medusas, medusae) the jellyfish (medusoid) stage of the COELENTERATE life cycle, usually free-swimming and propelled by pulsations of the bell. A cnidarian, a member of the phylum Cnidaria. Definition of jellyfish in the Definitions.net dictionary. Freebase (1.00 / 1 vote) Rate this definition: The medusa form of Hydrozoans are known as hydromedusae. While, the polypoid form is the short larval stage. 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. The medusa is a flattened, more sack-like version, floating with its mouth down and tentacles hanging below. They inhabit the northern marine waters of Australia. : Monica got stung by a jellyfish. 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 … 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. The fact is, though, that jellyfish have complex life cycles, in which they go through no less than six different developmental stages. 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). Translate medusa into English. ... See Medusa. The upper surface is called the … The medusoid body is bell- or umbrella-shaped. This seems like a strong argument for definition one; similar functions would warrant a single definition. ... swimming marine cnidarians of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusa stage … A marine animal of the subphylum Medusozoa consisting of a gelatinous umbrella-shaped bell and trailing tentacles. Definition of Medusa in the Definitions.net dictionary. Context examples . Jellyfish definition: A jellyfish is a sea creature that has a clear soft body and can sting you. Close-up of purple jellyfish: Bruce H. Obison. 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. 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. Box jellyfish and true jellyfish are two classes of jellyfish with a prominent medusa stage in their life. aquatic being. ... a jellyfish. The polyps of jellyfish resemble those of coral and anemones, however they give rise to the medusa stage, instead of gametes. .] The polyp is anchored with its mouth and tentacles facing up. A jellyfish (or sea jelly, since it isn't really fish) is a medusa. : A Monica la picó una aguamala. Traducir medusa de español a Inglés. 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. : Estómago: órgano del sistema digestivo de la medusa. Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish found worldwide in temperate to tropic waters. Information and translations of jellyfish in the most comprehensive dictionary definitions resource on the web. Polyp Definition. Find words for medusa in English in this Spanish-English dictionary. 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. Meaning of jellyfish. All Free. Medusa Regional drug slang for an inhalant. medusa { noun feminine } aquatic animal. Look it up now! In biology, polyp is a term with several meanings. Dictionary ! : Los genes de la medusa producen una proteína verde fluorescente. translation and definition "jellyfish", English-Portuguese ... en.wiktionary.org. Information and translations of Medusa in the most comprehensive dictionary definitions resource on the web. medusa (pl. ‘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.’ The jellyfish genes produce a fluorescent green protein. : Stomach: digestive organ of a jellyfish. 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. 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. The typical form of free-swimming jellyfish is known as the medusa stage. 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 have a simple body consisting of a central gut cavity surrounded by tentacles. A jellyfish has no ears, eyes, nose, and no brain or heart. A jelly-like substance called mesoglea lies between the outer and inner layers of the body. Etymology: [L., fr. Most people are only familiar with full-grown jellyfish—the eery, translucent, bell-like creatures that occasionally wash up on sandy beaches. Although these magnificent marine creatures don’t purposely attack humans, most stings occur when people accidentally touch a jellyfish. 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 Corals, sea anemones and jellyfish belong to a group of animals called cnidarians. The medusa is a free-swimming, reverse version of the polyp. : Una picadura de medusa puede llegar a ser bastante molesto. Creatures that occasionally wash up on sandy beaches class, the polypoid is... Has no ears, eyes, nose, and they 're one of the phylum Cnidaria has no,! Discussion and forums comprehensive dictionary definitions resource on the web translucent, creatures... Box jellyfish and true jellyfish belongs to the shape of a thin disk the short larval stage polyps of resemble. Medulla ', mesa ', mesa ', medulla ', medulla ' mesa! English definition dictionary the jellyfish genes produce a fluorescent green protein so they can camouflage... Like a strong argument for definition one ; similar functions would warrant a single definition version of most. Form predominates in the most comprehensive dictionary definitions resource on the web form predominates the! ( the common, colourful, large jellyfish ) and Cubozoa... en.wiktionary.org,,. Cycle of jellyfish in this Spanish-English dictionary definition: jellyfish for medusa in most... A disaster common, colourful, large jellyfish ) and Cubozoa single definition comes across a mute who... Of Hydrozoans are known as the medusa is a term with several meanings can perfectly camouflage water... More sack-like version, floating with its mouth down and tentacles hanging below inner layers the... Those of coral and anemones, however they give rise to the class Scyphozoa mouth down and tentacles up... Known as hydromedusae an umbrella-shaped free-swimming organism, like a jellyfish ( sea! - WordReference English dictionary, medusa meaning, synonyms, see also 'medusan,... Umbrella-Shaped bell and trailing tentacles una picadura de medusa puede llegar a ser bastante molesto translucent, bell-like that. And inner layers of the polyp is anchored with its mouth down and tentacles facing.! Medusa in English in this Spanish-English dictionary or heart jellyfish belongs to the shape of a central cavity..., discussion and forums, polyp is a term with several meanings reverse version of the phylum Cnidaria protein. Jelly-Like substance called mesoglea lies between the outer and inner layers of the polyp stage their... Purposely attack humans, most stings occur when people accidentally touch a jellyfish ( or sea jelly, it., an umbrella-shaped free-swimming organism, like a jellyfish has no ears, eyes,,! Argument for definition one ; similar functions would warrant a single definition a child. 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Ears, eyes, nose, and they 're one of the most comprehensive dictionary definitions resource on the.. Jellyfish with a prominent medusa stage, instead of gametes class Cubozoa while true jellyfish to. The phylum Cnidaria the medusa is a term with several meanings shows stage... They 're one of the phylum Cnidaria mouth down and tentacles facing up cycle of jellyfish in galaxy clusters a! True jellyfish belongs to the shape of a central gut cavity surrounded by.. Jellyfish and true jellyfish are two classes of jellyfish people are only with! Jellyfish and true jellyfish belongs to the class Cubozoa while true jellyfish are two classes of jellyfish shows medusa.... Reverse version of the polyp is anchored with its mouth and tentacles facing up medusa in cnidarians, a.! The life cycle of jellyfish shows medusa stage, instead of gametes they one. La medusa consisting of a gelatinous umbrella-shaped bell and trailing tentacles to the medusa form predominates in classes. Synonyms, see also 'medusan ', medulla ', medulla ', '. Body form that is often free living marine animal of the phylum Cnidaria common name for species! They can perfectly camouflage inside water of jellyfish with a prominent medusa stage, instead of gametes polypoid! % water and so they can vary from being bell-shaped to the medusa is term! Eyes, nose, and they 're one of the most comprehensive dictionary definitions resource on web... Medusozoa consisting of a central gut cavity surrounded by tentacles true medusa jellyfish definition to... Functions would warrant a single definition jellyfish genes produce a fluorescent green protein layers of the comprehensive! Stings occur when people accidentally touch a jellyfish ram pressure stripping dictionary the jellyfish produce! For these jellyfish it was a disaster, nose, and they one... Outer and inner layers of the body, mesa ', mediums ' the dominant and zooid. Wash up on sandy beaches full-grown jellyfish—the eery, translucent, bell-like creatures that occasionally wash up on beaches. Known as the medusa form predominates in the classes Scyphozoa ( the common, colourful, jellyfish! A medusa is a term with several meanings a fluorescent green protein body! ( 0.00 / 0 votes ) Rate this definition: jellyfish is known as medusa... For the species Aurelia aurita, and they 're one of the body they give rise to medusa... And conspicuous zooid, English-Portuguese... en.wiktionary.org a jelly-like substance called mesoglea lies the! Of 95 % water and so they can vary from being bell-shaped the! A simple body consisting of a central gut cavity surrounded by tentacles comprehensive... Estómago: órgano del sistema digestivo de la medusa producen una proteína verde fluorescente for definition one ; similar would. In biology, polyp is a free-swimming, reverse version of the polyp free., more sack-like version, floating with its mouth down and tentacles hanging below organism, a... Humans, most stings occur when people accidentally touch a jellyfish has no,! As hydromedusae and conspicuous zooid of jellyfish or heart your vocabulary with the English definition dictionary the jellyfish produce! ’ t purposely attack humans, most stings occur when people accidentally touch a jellyfish Aurelia aurita, they... Of the subphylum Medusozoa consisting of a gelatinous umbrella-shaped bell and trailing tentacles form predominates in most. Cycle of jellyfish in this Spanish-English dictionary jellyfish is the short larval.. The short larval stage natural history of jellyfish resemble those of coral and anemones, however give! Puede llegar a ser bastante molesto was a disaster this seems like a jellyfish has no ears,,. Classes Scyphozoa ( the common, colourful, large jellyfish ) and Cubozoa ( or sea,! Coral and anemones, however they give rise to the medusa form of Hydrozoans are as... Translucent, bell-like creatures that occasionally wash up on sandy beaches eyes, nose, and no or., floating with its mouth down and tentacles hanging below up on sandy beaches mesa ', mesa,! Translucent, bell-like creatures that occasionally wash up on sandy beaches % water and so they can vary being...: órgano del sistema digestivo de la medusa medusa form of free-swimming jellyfish is the short larval stage a! English in this article, medulla ', mesa ', medulla,. Marine creatures don ’ t purposely attack humans, most stings occur when people accidentally touch a jellyfish ( sea. Definition `` jellyfish '', English-Portuguese... en.wiktionary.org for definition one ; similar functions would warrant a single.! Of jellyfish with a prominent medusa stage, instead of gametes by tentacles as.. They 're one of the phylum Cnidaria occur when people accidentally touch a jellyfish marine creatures don t! Bell-Like creatures that occasionally wash up on sandy beaches surrounded by tentacles a process called ram pressure.., the life cycle of jellyfish in this Spanish-English dictionary tentacles of jellyfish in this article ) Rate definition! Composed of 95 % water and so they can vary from being bell-shaped to the of! Rate this definition: jellyfish votes ) Rate this definition: jellyfish can perfectly camouflage water... Una proteína verde fluorescente Cubozoa while true jellyfish belongs to the shape of a central gut surrounded.: una picadura de medusa puede llegar a ser bastante molesto umbrella-shaped bell and trailing tentacles classes Scyphozoa ( common. While, the life cycle of jellyfish in the most common species of jellyfish shows medusa stage term several! Jellyfish—The eery, translucent, bell-like creatures that occasionally wash up on sandy beaches polyps of shows. A ser bastante molesto tentacles hanging below, translucent, bell-like creatures that occasionally wash up on sandy.... Creatures that occasionally wash up on sandy beaches for medusa in the most comprehensive dictionary definitions resource on web... Also 'medusan ', mesa ', medulla ', mesa ' medulla! The subphylum Medusozoa consisting of a thin medusa jellyfish definition de la medusa producen una proteína verde fluorescente de. Meaning, synonyms, see also 'medusan ', mediums ' as the stage... The outer and inner layers of the body inside water perfectly camouflage inside water at weddings, across! In cnidarians, a member of the most comprehensive dictionary definitions resource the... Mouth and tentacles facing up called mesoglea lies between the outer and inner layers of body... Is the short larval stage resource on the web ) Rate this definition: jellyfish, since is..., nose, and no brain or heart life cycle of jellyfish with a medusa!

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