Bivalvia , in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. Information and translations of bivalve in the most comprehensive dictionary definitions resource on the web. Palaeos Metazoa: Mollusca: Bivalvia: Bivalve Glossary Archived 6 November 2008 at the Wayback Machine. Many bivalve species play important roles in aquatic and marine ecosystems by filtering the water and serving as habitat and prey for a variety of sea life. the blood-filled space or body cavity of some invertebrates. Also: pelecypod, lamellibranch. Definition of bivalve in the Definitions.net dictionary. bivalve definition in English dictionary, bivalve meaning, synonyms, see also 'bivalvate',bivalent',bivalence',bivalency'. chromatophore. Meaning of bivalve. A siphon is an anatomical structure which is part of the body of aquatic molluscs in three classes: Gastropoda, Bivalvia and Cephalopoda (members of these classes include saltwater and freshwater snails, clams, octopus, squid and relatives). ^ M. Alan Kazlev. Examples of bivalves are clams, mussels, oysters, and scallops. Published by Houghton Mifflin Harcourt Publishing Company. See more. (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Foot: Definition. Its name is a reference to the two shells, called valves , that protect its soft inner body parts. (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Learner's definition of BIVALVE [count] biology: a sea animal that has a shell with two movable parts connected by a hinge. But you may not have realized that these creatures are also called bivalves. “Monolith” vs. “Megalith”: What’s The Difference? Level. The gills then strain out oxygen and food particles. a type of mollusc, such as an oyster, that has its body inside two connected shells: They fish for clams, oysters, and other bivalves. That's because all bivalve animals have two shells that can open and close like doors. We Asked, You Answered. Biology. Most people chose this as the best definition of vesicomyid: (biology) Any bivalve of... See the dictionary meaning, pronunciation, and sentence examples. bivalve definition: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. The group includes clams, cockles, oysters, and mussels. Many bivalve species play important roles in aquatic and marine ecosystems by filtering the water and serving as habitat and prey for a variety of sea life. Bivalvia definition is - the Lamellibranchia and Brachiopoda considered as a natural group; sometimes : lamellibranchia. sponge cells that carry food particles to epidermal cells: Term. https://medical-dictionary.thefreedictionary.com/bivalve, Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Also present is a muscular foot, which has been modified in some species to be used in digging to bury the bivalve. Definition of Phylum Mollusca 2. 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. The American Heritage® Science Dictionary They retract the foot and effect back-and-forth movements.… Read More You may have seen or even eaten an oyster or scallop. 2. Dictionary.com Unabridged Also called, The very low levels of the heavy metals copper and zinc in mussel pallial fluid, however, suggest that they have a less important role as anti-bacterial agents in mussels than in oysters and support the conclusion that antimicrobial factors, in addition to lysozyme and heavy metals, are involved in the immune response of this, melanogaster, and shell matrix proteins in, Nor would the pattern of over- and underrepresentation of, (2010) who studied the biology and ecology of the, ARS scientists are looking at the impact of, After poring over more than 62,000 records of where marine, The calcium carbonate crystalline phase in, A small hand shovel or rake can aid in your pursuit of these tasty, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Sclerochronology-based geochemical studies of bivalve shells: potential vs reality/Karbikodade sklerokronoloogilis-geokeemilised uuringud: voimalused ja tegelik olukord, ANTIMICROBIAL ACTIVITY IN THE PALLIAL CAVITY FLUIDS OF THE RIBBED MUSSEL GEUKENSIA DEMISSA FROM A HIGHLY IMPACTED HARBOR IN WESTERN LONG ISLAND SOUND, Extracellular Matrix Components in Bivalvia: Shell and ECM Components in Developmental and Adult Tissues, PATTERNS OF GASTROPOD MOLLUSK PREDATION ON BIVALVE MOLLUSKS ALONG THE UPPER TEXAS GULF COAST, Distribution and density of the bivalve Anomalocardia brasiliana in the estuarine region of Northeastern Brazil/Distribuicao e densidade do bivalve Anomalocardia brasiliana em regiao estuarina do semiarido do Nordeste do Brasil, ARS Strategies To Benefit Aquaculture Industry, Large Shifts in Commercial Landings of Estuarine and Bay Bivalve Mollusks in Northeastern United States after 1980 with Assessment of the Causes, Researchers Develop Model To Estimates Regional Distribution Of Species, Species diversity and distribution of marine bivalves from coastal transitional ecosystem of Uran, Navi Mumbai, India, Physiological versus biological control in bivalve calcite prisms: Comparison of euheterodonts and pteriomorphs, Digging for buried treasure--clamming in New York's waters, Bivalirudin in Combination with Eptifibatide, Bizarre Parosteal Osteochondromatous Proliferation. 1. noun. Copyright © 2011. Branchiae: (Gr Branchia = gills) gills; respiratory organs for breathing the oxygen dissolved in water. valve. Term. A protagonist is the main character of a story, or the lead. All rights reserved. amoebocytes: Definition. Also called lamellibranch, pelecypod. Yes, enough to tell a bivalve when I see one: should like to have a ‘dozen fried’ before me now. ISBN 978-1-4200-6574-9. p. 77. The Ostracoda have the body enclosed in a bivalve shell-covering, and normally unsegmented. (biology: variety of mollusc) mollusco bivalve nm sostantivo maschile: Identifica un essere, un oggetto o un concetto che assume genere maschile: medico, gatto, strumento, assegno, dolore Bivalve -ed: applied to mouth parts consisting of two parts or valves united to form a tube. any marine or freshwater mollusc of the class Pelecypoda ( formerly Bivalvia or Lamellibranchia ), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. Definition. Biology A covering or partition of thin membranous tissue, such as the veil of a mushroom, a rim of tissue around the margin of the bell of certain cnidarians, or a membrane of … Undergraduate 2. Some knowledge of bivalve biology is necessary to understand operations of a bivalve hatchery and to assist in solving problems that arise. Siphons in molluscs are tube-like structures in which water flows (or more rarely in which air flows). The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. Created. A bivalve’s body includes a nervous system, a digestive system, and a heart. The word 'bivalve' comes from the Latin bis ('two') and valvae('leaves of a door'). Where does the radula lie and what supports it? Biology. In bivalve: Locomotion. Having a shell consisting of two hinged valves. having two similar parts hinged together. Bivalves have epifaunal or infaunal lifestyles but are largely filter feeders that couple the water column and benthos. 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. Bivalves even make their own shells. Bivalves, or Bivalvia, refer to a class of animals that live in freshwater and saltwater. PLAY. Master these essential literary terms and you’ll be talking like your English teacher in no time. (ˈbaɪˌvælv ) noun. They are voracious eaters, living principally on bivalve mollusks. Bivalve (noun) a mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth. Basic bivalve biology: taxonomy, anatomy and life history 2.1 TAXONOMY AND ANATOMY 2.1.1 Introduction. Learn more. Bivalves have gills instead of lungs, so when a bivalve opens its shell, water washes over the gills. Learn more. A bivalve is an animal that has two hinged shells, which are called valves. “Affect” vs. “Effect”: Use The Correct Word Every Time. Mantle, in biology, soft covering, formed from the body wall, of brachiopods and mollusks; also, the fleshy outer covering, sometimes strengthened by calcified plates, of barnacles. Bivalve definition, any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. All bivalves are mollusks. An internal organ called the mantle secretes calcium carbonate so that as the inner invertebrate grows, the outer shell provides a roomier home. any marine or freshwater mollusc of the class, having or consisting of two valves or similar parts. Bivalves even make their own shells. Branchial: (GR branchia = gills) The ventral or inhalant aperture. bivalve, aquatic mollusk of the class Pelecypoda ("hatchet-foot") or Bivalvia, with a laterally compressed body and a shell consisting of two valves, or movable pieces, hinged by Created. WDFW - Shellfish: Geoduck clam. Lease/bay characteristics accounted for 60% of the deviance of bivalve condition index. The class Bivalvia is also called Pelecypoda, and was formerly called Lamellibranchia. Most people chose this as the best definition of mytilid: (biology) Any bivalve mol... See the dictionary meaning, pronunciation, and sentence examples. Definition. the fluid that circulates through the body of an animal that has an open circulatory system. Growth takes place at the margins, although increases in thickness take place everywhere. Term. The science of bivalve genetics dates back, primarily, to the mid-1970s and is surprisingly robust, given the small size of the bivalve biology community. The Dictionary.com Word Of The Year For 2020 Is …. Enrich your vocabulary with the English Definition dictionary (biology: having two valves) bivalvo/a adj adjetivo : Describe el sustantivo. bivalve: The mantle and musculature The mantle lobes secrete the shell valves; the mantle crest secretes the ligament and hinge teeth. The muscles mainly responsible for movement of the foot are the anterior and posterior pedal retractors. bivalve meaning: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. The name bivalve comes from Latin as most biological classifications do. A principal limitation to assessing genetic improvement and domestication is a lack of basic, detailed, mariculture statistics. You likely know them as shellfish. A bivalve is an animal belonging to the class Bivalvia. Level. bivalve. clams, mussels, oysters, and other bivalves [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — bivalve adjective. 1. 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