Bivalve definition is - being or having a shell composed of two valves. The gills in all other bivalves (save septibranchs, which have lost their gills) are greatly enlarged and possess a huge surface area. A speculum with two opposed blades that can be separated or closed. Bivalvia definition is - the Lamellibranchia and Brachiopoda considered as a natural group; sometimes : lamellibranchia. Definition of Bivalve. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. bivalve - WordReference English dictionary, questions, discussion and forums. 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. One of the five classes in the phylum Mollusca, sometimes known as Pelecypoda. Cardiidae - somewhat heart-shaped sand-burrowing bivalve mollusks family Cardiidae mollusk family - a … 1. a bivalved mollusk [n -S] Medical Definition of Bivalve. bivalve speculum. (Science: marine biology) 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. The taxonomic term Bivalvia was first used by Linnaeus in the 10th edition of his Systema Naturae in 1758 to refer to animals having shells composed of two valves. You may have seen or even eaten an oyster or scallop. Definition of golden bivalve in the Definitions.net dictionary. The gills in all other bivalves (save septibranchs, which have lost their gills) are greatly enlarged and possess a huge surface area. , that attach to the substratum by one valve (i.e., lying on their sides), the left-hand (or upper) valve is larger than the right-hand (or lower) one. Univalve definition, having one valve. On Food and Cooking, The Science and Lore of the Kitchen. bivalve. A bivalve shell is part of the body, the exoskeleton or shell, of a bivalve mollusk.In life, the shell of this class of mollusks is composed of two hinged parts or valves.Bivalves are very common in essentially all aquatic locales, including saltwater, brackish water, and freshwater. A gastropod, especially one with a single shell, such as a snail, cone, whelk, abalone, or limpet. 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 an elastic ligament. During the Mesozoic Era, the brachiopods declined in importance. Bivalvia (/ baɪˈvælviə /), 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. Meaning of bivalve. See more. Hinge teeth are part of the anatomical structure of the inner surface of a bivalve shell, i.e. bivalve (plural bivalves) Any mollusc belonging to the taxonomic class Bivalvia , characterized by a shell consisting of two hinged sections, such as a scallop , clam , mussel or oyster . bivalve. bivalve in British English. 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.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. 1. 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 Enrich your vocabulary with the English Definition dictionary 'All Intensive Purposes' or 'All Intents and Purposes'? Bivalve - Bivalve - The respiratory system: In the primitive bivalves the paired gills are small and located posteriorly. 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. bivalve: Dictionary/thesaurus [home, info] Computing (1 matching dictionary) bivalve: Encyclopedia [home, info] Medicine (2 matching dictionaries) bivalve: online medical dictionary [home, info] bivalve: Medical dictionary [home, info] Science (6 matching dictionaries) bivalve: Dictionary of Botanical Epithets [home, info] Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! What does golden bivalve mean? Click the link for more information. Learn more. Learn more. You likely know them as shellfish. ¹. 1. The valves are connected to one another at a hinge. adj. Definition of Bivalve. However, the official bivalve definition encompasses any aquatic mollusk belonging to the class Bivalvia, such … Our Word of the Year 'pandemic,' plus 11 more. 1. The group includes the gastropods (snails, slugs, etc), bivalves (clams, mussels, etc), and cephalopods (cuttlefish, octopuses, etc) Bivalves are a group of mollusks that includes clams, scallops, oysters, mussels, razor shells, cockles, venus shells, borers, trough shells and many others (some of which live in the deep sea and have yet to be identified).Bivalves are the second most diverse group of mollusks, ranking only behind gastropods in number of species. Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster. ( ˈbaɪˌvælv) n. (Zoology) Also: pelecypod or lamellibranch 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. See also: speculum. Having a shell consisting of a single valve or piece. A bivalve is an animal belonging to the class Bivalvia. What Is a Bivalve? 1. Also: pelecypod, lamellibranch. Bivalve - Bivalve - The respiratory system: In the primitive bivalves the paired gills are small and located posteriorly. A speculum (Latin for "mirror"; plural specula or speculums), is a medical tool for investigating body orifices, with a form dependent on the orifice for which it is designed.In old texts, the speculum may also be referred to as a diopter or dioptra. See: vaginal speculum. Noun. “Bivalve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bivalve. Test Your Knowledge - and learn some interesting things along the way. Bivalve Bi"valve ( ), n. [F. bivalve; bi-(L. bis) + valve valve.] 1. Etymology. Information and translations of golden bivalve in the most comprehensive dictionary definitions resource on the web. ( ˈbaɪˌvælv) n. (Zoology) Also: pelecypod or lamellibranch 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. Bivalve. Bivalve filter feeders—mussels, clams, scallops, oysters—concentrate algal toxins in their gills and/or digestive organs, and then transmit the poisons to other shell-fish—usually crabs and whelks—or to humans. Information and translations of bivalve in the most comprehensive … This is the British English definition of bivalve.View American English definition of bivalve.. Change your default dictionary to American English. ¹. Deep-sea wood borers (Xylophaga, a genus of, In 2005, the oyster as aphrodisiac got a big boost as many consumer publications reported that, While the lyric connotes cozy relations between the famously fertile shellfish of this, Selected from gulf, east, or west, a variety of, Post the Definition of bivalve to Facebook, Share the Definition of bivalve on Twitter. Also called lamellibranch, pelecypod. (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. Noun. ¹ Source: wiktionary.com. 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. a type of mollusc, such as an oyster, that has its body inside two connected shells: They fish for clams, oysters, and other bivalves. How to use bivalve in a sentence. Definition of bivalve shell in the Definitions.net dictionary. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. The word bivalve means “two valves.” Bivalves are part of a larger group called mollusks . ( botany ) A pericarp in which the seed case opens or splits into two parts or valves . Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster. Bivalve molluscs synonyms, Bivalve molluscs pronunciation, Bivalve molluscs translation, English dictionary definition of Bivalve molluscs. Bivalves are found in both freshwater and marine environments. bivalve meaning: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. Please tell us where you read or heard it (including the quote, if possible). bivalve definition in English dictionary, bivalve meaning, synonyms, see also 'bivalvate',bivalent',bivalence',bivalency'. Enrich your vocabulary with the English Definition dictionary That's because all bivalve animals have two shells that can open and close like doors. Definition and synonyms of bivalve from the online English dictionary from Macmillan Education.. Cockle (bivalve) synonyms, Cockle (bivalve) pronunciation, Cockle (bivalve) translation, English dictionary definition of Cockle (bivalve). A bivalve's shell is formed of calcium carbonate that is secreted from the bivalve's mantle, which is the soft wall of the animal's body.The shell grows as the organism inside gets bigger. 1. bivalve Having two leaves or folding parts: as, a bivalve speculum. The word 'bivalve' comes from the Latin bis ('two') and valvae('leaves of a door'). 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