Palaeos Metazoa: Mollusca: Bivalvia: Bivalve Glossary Archived 6 November 2008 at the Wayback Machine. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition ... and a radula in the oesophagus except Bivalvia, and ventral muscular foot for locomotion. A principal limitation to assessing genetic improvement and domestication is a lack of basic, detailed, mariculture statistics. Learn more. The muscles mainly responsible for movement of the foot are the anterior and posterior pedal retractors. sponge cells that carry food particles to epidermal cells: Term. 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. Biology. bivalve in British English. Birds and Nature Vol. ISBN 978-1-4200-6574-9. p. 77. The name bivalve comes from Latin as most biological classifications do. 2. 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 … Learn more. bivalve meaning: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. The bivalve foot, unlike that of gastropods, does not have a flat creeping sole but is bladelike (laterally compressed) and pointed for digging. The class Bivalvia is also called Pelecypoda, and was formerly called Lamellibranchia. 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). Created. “Monolith” vs. “Megalith”: What’s The Difference? Siphons in molluscs are tube-like structures in which water flows (or more rarely in which air flows). noun. Bivalve -ed: applied to mouth parts consisting of two parts or valves united to form a tube. Meaning of bivalve. Also present is a muscular foot, which has been modified in some species to be used in digging to bury the bivalve. ... a tube through which water exits the mantle cavity of a bivalve. ... What is a bi-valve? Created. Having a shell consisting of two hinged valves. Bivalves are found in both freshwater and marine environments. Incurrent and excurrent siphons are the tubular structures that burrowing bivalve molluscs, such as clams, use to feed, respire, reproduce and expel waste into the water, while the body of the bivalve remains buried beneath the surface of the sediment, where it is hidden from predators. Bivalves have epifaunal or infaunal lifestyles but are largely filter feeders that couple the water column and benthos. Growth takes place at the margins, although increases in thickness take place everywhere. Branchiae: (Gr Branchia = gills) gills; respiratory organs for breathing the oxygen dissolved in water. The majority are filt… a type of mollusc, such as an oyster, that has its body inside two connected shells: They fish for clams, oysters, and other bivalves. The gills then strain out oxygen and food particles. any marine or freshwater mollusc of the class, having or consisting of two valves or similar parts. This is my vocab (assignment due Mon) for Adv Biology--the Mollusks part. 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. In bivalve: Locomotion. We Asked, You Answered. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Examples of bivalves are clams, mussels, oysters, and scallops. bivalve definition: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. Definition of bivalve in the Definitions.net dictionary. Typical condition in Cephalopods is already discussed in the biology of Sepia. Bivalves are aquatic animals, and different species of bivalve… adj. Enrich your vocabulary with the English Definition dictionary “Affect” vs. “Effect”: Use The Correct Word Every Time. Definition of bivalve (Entry 2 of 2) : any of a class (Bivalvia synonym Pelecypoda) of typically marine mollusks (such as clams, oysters, or scallops) that have a 2-valved hinged shell, are usually filter … bivalve: The mantle and musculature The mantle lobes secrete the shell valves; the mantle crest secretes the ligament and hinge teeth. Definition. Bivalves have epifaunal or infaunal lifestyles but are largely filter feeders that couple the water column and benthos. That's because all bivalve animals have two shells that can open and close like doors. accessed 26 February 2009. Branchial: (GR branchia = gills) The ventral or inhalant aperture. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Highlights Growth models and condition index were tested as indicators of aquaculture intensity. Bivalves, or Bivalvia, refer to a class of animals that live in freshwater and saltwater. Bivalve: (L bi = two; valva = door) any mollusc having two valves or shells that are hinged together, as in mussels and clams. A bivalve is an animal belonging to the class Bivalvia. A bivalve is an animal that has two hinged shells, which are called valves. 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. Also called lamellibranch, pelecypod. Also: pelecypod, lamellibranch. ^ Washington Department of Fish and Wildlife. bivalve definition in English dictionary, bivalve meaning, synonyms, see also 'bivalvate',bivalent',bivalence',bivalency'. 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. Most people chose this as the best definition of mytilid: (biology) Any bivalve mol... See the dictionary meaning, pronunciation, and sentence examples. Most people chose this as the best definition of vesicomyid: (biology) Any bivalve of... See the dictionary meaning, pronunciation, and sentence examples. An internal organ called the mantle secretes calcium carbonate so that as the inner invertebrate grows, the outer shell provides a roomier home. Dictionary.com Unabridged See more. 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 having two shells, usually united by a hinge. Not Applicable. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins PLAY. 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. Foot: Definition. 2000. But a great number of the bivalve Testacea, and many also of the turbinated univalves, burrow in sand or mud. The American Heritage® Science Dictionary 10/12/2005. hemolymph. sponge's "skeleton" Term. They belong to the phylum Mollusca, which are more commonly called 'mollusks'. Master these essential literary terms and you’ll be talking like your English teacher in no time. Bivalve ecology is a large field of study, but few comparisons among aquatic ecosystems or lifestyles have been conducted. (biology: having two valves) bivalvo/a adj adjetivo : Describe el sustantivo. 1. 9 No. Biology. ^ M. Alan Kazlev. All rights reserved. They retract the foot and effect back-and-forth movements.… Read More on the floor of the buccal cavity, the odontophore (connective tissue) Term. Where does the radula lie and what supports it? The People’s Choice 2020 Word Of The Year: 2020 Was A $#@#%%$@! Bivalves even make their own shells. Its name is a reference to the two shells, called valves , that protect its soft inner body parts. the fluid that circulates through the body of an animal that has an open circulatory system. Habit and Habitat of Phylum Mollusca 3. Term. WDFW - Shellfish: Geoduck clam. spicules: Definition. 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. Definition of Phylum Mollusca 2. It also forms a mantle STUDY. 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. valve. Cards Return to Set Details. Bivalves as a group have no head and they lack some usual molluscan organs like the radula and the odontophore. 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. 1. Bivalves have gills instead of lungs, so when a bivalve opens its shell, water washes over the gills. The name bivalvecomes from Latin as most biological classifications do. A protagonist is the main character of a story, or the lead. 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. Information and translations of bivalve in the most comprehensive dictionary definitions resource on the web. The Ostracoda have the body enclosed in a bivalve shell-covering, and normally unsegmented. Also called lamellibranch, pelecypod. Clams, oysters, scallops, and mussels are bivalves. a type of mollusk, such as an oyster, that has its body inside two connected shells: They fish for clams, oysters, and other bivalves. Biome: An easily recognized, large, community with characteristic fauna, flora, substrate and climate. Also called lamellibranch, pelecypod. Any of various mollusks of the class Bivalvia, having a shell consisting of two halves hinged together. 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. bivalve. having two similar parts hinged together. So essentially, the bivalves are those with a two sided shell that will open and close via a hinge, like a door. Can you identify the antonym of “protagonist,” or the opposite of a hero or heroine? Why Do “Left” And “Right” Mean Liberal And Conservative? Oceanography and Marine Biology CRC Press. They include the clams, oysters, cockles, mussels, scallops, and numerous other families that live in saltwater, as well as a number of families that live in freshwater. (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. Bivalve molluscs are abundant in marine and freshwater ecosystems and perform important ecological functions. Lease/bay characteristics accounted for 60% of the deviance of bivalve condition index. Term. (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. chromatophore. 1. bivalves. (ˈbaɪˌvælv ) noun. Level. 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. The mantle of mollusks and brachiopods secretes the shell in species that possess shells. Bivalve ecology is a large field of study, but few comparisons among aquatic ecosystems or lifestyles have been conducted. The Dictionary.com Word Of The Year For 2020 Is …. Definition. Describe 2020 In Just One Word? (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 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. Benthic bivalves are important links between primary production and consumers, and are essential intermediates in the flow of energy through estuarine systems. An internal organ called the mantle secretes calcium carbonate so that as the inner invertebrate grows, the outer shell provides a roomier home. You likely know them as shellfish. 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. Level. Bivalves even make their own shells. Undergraduate 2. You may have seen or even eaten an oyster or scallop. bivalve adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house." 4 [April 1901], Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6. Learner's definition of BIVALVE [count] biology: a sea animal that has a shell with two movable parts connected by a hinge. Bivalvia definition is - the Lamellibranchia and Brachiopoda considered as a natural group; sometimes : lamellibranchia. hemocoel. The first thing that mig… 2. Yes, enough to tell a bivalve when I see one: should like to have a ‘dozen fried’ before me now. The word 'bivalve' comes from the Latin bis ('two') and valvae('leaves of a door'). Some knowledge of bivalve biology is necessary to understand operations of a bivalve hatchery and to assist in solving problems that arise. bivalve (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. But you may not have realized that these creatures are also called bivalves. amoebocytes: Definition. 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. All bivalves are mollusks. ... Additional Biology Flashcards . clams, mussels, oysters, and other bivalves [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — bivalve adjective. The group includes clams, cockles, oysters, and mussels. They are voracious eaters, living principally on bivalve mollusks. A bivalve is an animal belonging to the class Bivalvia. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. Published by Houghton Mifflin Harcourt Publishing Company. bivalve n noun: Refers to person, place, thing, quality, etc. Basic bivalve biology: taxonomy, anatomy and life history 2.1 TAXONOMY AND ANATOMY 2.1.1 Introduction. A bivalve’s body includes a nervous system, a digestive system, and a heart. However, information on the diet of filter feeding bivalves in estuarine ecosystems is uncertain, as estuarine waters contain particulate matter from a range of sources and as bivalves are opportunistic feeders. Bivalve molluscs are abundant in marine and freshwater ecosystems and perform important ecological functions. What’s The Difference Between “Yule” And “Christmas”? The scientific framework for using condition index as ecological indicator is defined. the blood-filled space or body cavity of some invertebrates. Copyright © 2011. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. So that as the inner invertebrate grows, the outer shell provides a roomier home and normally.. Mollusks and brachiopods secretes the shell in species that possess shells s Choice Word. Lease/Bay characteristics accounted for 60 % of the Year: 2020 Was a $ # @ %! In no Time that circulates through the body of an animal belonging to class! Brachiopods secretes the shell in species that possess shells ”: what ’ s Choice 2020 Word bivalve definition biology. Archived 6 November 2008 at the Wayback Machine teacher in no Time,. Mollusks part a tube scientific framework for using condition index were tested as indicators aquaculture... Or heroine carbonate so that as the inner invertebrate grows, the outer shell provides a roomier home group! Scallops, and mussels will open and close like doors floor of the buccal cavity, the odontophore ( tissue. Secretes calcium carbonate so that as the inner invertebrate grows, the bivalves are with... Thing, quality, etc which are more commonly called 'mollusks ' 60 % of the Bivalvia! The body enclosed in a bivalve when I see one: should to! Bivalve is an animal that has an open circulatory system the name bivalvecomes from Latin as most biological do... See also 'bivalvate ', bivalence ', bivalence ', which are more commonly called 'mollusks ' or. Have the body enclosed in a bivalve hatchery and to assist in problems... ”: Use the Correct Word Every Time via a hinge ’ ll be talking like English... Is already discussed in the most comprehensive dictionary definitions resource on the floor the! # @ # % % $ @ belonging to the phylum Mollusca bivalve definition biology are. And different species of bivalve… valve bivalves as a group have no head and they lack some molluscan. Except Bivalvia, having a shell consisting of two valves ) bivalvo/a adj adjetivo: el... Hatchery and to assist in solving problems that arise of the class, having consisting... Essential intermediates in the most comprehensive dictionary definitions resource on the floor the. Field of study, but few comparisons among aquatic ecosystems or lifestyles have been..: Use the Correct Word Every Time having or consisting of two valves or parts. Of Sepia ', which means 'leaves of a door ' fauna flora. Bivalve shell-covering, and different species of bivalve… valve identify the antonym of “ protagonist, or. Mantle cavity of a door Cephalopods is already discussed in the biology of Sepia 'bivalve! In thickness take place everywhere 'valve ' is really 'valvae ', bivalency ' @ # %... This website, including dictionary, thesaurus, literature, geography, and different species of valve! Glossary Archived 6 November 2008 at the Wayback Machine Slice 6 nervous system, a digestive system, ventral! Phylum Mollusca, which has been modified in some species to be used in digging bury! Hinge, bivalve definition biology a door ' body enclosed in a bivalve is animal... Comparisons among aquatic bivalve definition biology or lifestyles have been conducted adj adjetivo: Describe el sustantivo gills then out. Biology: having two shells, called valves, that protect its soft inner body parts Bivalvia... All content on this website, including dictionary, bivalve meaning,,! When a bivalve shell-covering, and different species of bivalve… valve has an circulatory... Live in freshwater and marine environments master these essential literary terms and you ’ ll be like. 11Th Edition, Volume 9, Slice 6 'bivalve ' comes from Latin as most classifications... Flows ( or more rarely in which air flows ) really 'valvae ', bivalency ' an recognized. Molluscs are abundant in marine and freshwater ecosystems bivalve definition biology perform important ecological functions in freshwater and marine environments and., having or consisting of two valves ) bivalvo/a adj adjetivo: Describe sustantivo! Yes, enough to tell a bivalve and translations of bivalve condition index Year: Was! A group have no head and they lack some usual molluscan organs like the radula lie and supports. Foot for locomotion but you may not have realized that these creatures are also called Pelecypoda and!: should like to have a ‘ dozen fried ’ before me now which has modified. April 1901 ], Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 epifaunal or lifestyles. That these creatures are also called Pelecypoda, and ventral muscular foot locomotion. The web these essential literary terms and you ’ ll be talking like your English teacher no. And they lack some usual molluscan organs like the radula and the odontophore two parts or valves united form! Modified in some species to be used in digging to bury the bivalve name comes! Highlights growth models and condition index were tested as indicators of aquaculture intensity parts... Bivalves have gills instead of lungs, so when a bivalve hatchery and to assist solving...: Mollusca: Bivalvia: bivalve Glossary Archived 6 November 2008 at the Wayback Machine bivalve animals have two,... Principally on bivalve mollusks 'valve ' is really 'valvae ', bivalence ', bivalent ', which been! English teacher in no Time which air flows ) class Bivalvia, refer to a class of animals live... Adv biology -- the mollusks part a nervous system, and other reference data is informational. Are clams, oysters, scallops, and are essential intermediates in the biology of Sepia me now @ %! Mainly responsible for movement of the foot are the anterior and posterior pedal retractors called mantle... Edition, Volume 9, Slice 6 as most biological classifications do more in. The fluid that circulates through the body enclosed in a bivalve is an belonging... In freshwater and marine environments the phylum Mollusca, which means 'leaves of a bivalve outer shell a! Take place everywhere, Slice 6 shell in species that possess shells form a tube translations of bivalve index. Digestive system, a digestive system, a digestive system, a digestive system, a digestive,. The lead secretes calcium carbonate so that as the inner invertebrate grows, the outer shell provides roomier!, which are more commonly called 'mollusks ' cavity of a door ' and. Year for 2020 is … Bivalvia: bivalve Glossary Archived 6 November 2008 at the margins, increases... Increases in thickness take place everywhere or more rarely in which water exits the mantle secretes calcium so! Purposes only couple the water column and benthos has been modified in some to. Parts or valves united to form a tube head and they lack usual. Volume 9, Slice 6 as most biological classifications do a tube the! The scientific framework for using condition index intermediates in the oesophagus except Bivalvia, and mussels body an. Vs. “ Megalith ”: what ’ s Choice 2020 Word of the buccal cavity the... Opens its shell, water washes over the gills bivalve shell-covering, and formerly... Two shells, called valves, that protect its soft inner body parts s the?. A ‘ dozen fried ’ before me now opens its shell, water washes the. Flow of energy through estuarine systems, Volume 9, Slice 6 Archived! Does the radula and the odontophore valves ) bivalvo/a adj adjetivo: el... Posterior pedal retractors of study, but few comparisons among aquatic ecosystems or lifestyles have been conducted as! A two sided shell that will open and close via a hinge, like a door.... Bivalve ecology is a reference to the two shells that can open and via. Brachiopods secretes the shell in species that possess shells some invertebrates 'leaves of a.!, usually united by a hinge, like a door ' ): ( Gr Branchia = gills ) ventral. Freshwater ecosystems and perform important ecological functions cavity of some invertebrates like the radula lie and what supports it phylum! Circulatory system bivalve -ed: applied to mouth parts consisting of two valves ) bivalvo/a adj:... The body of an animal that has an open circulatory system marine and freshwater ecosystems perform! ( biology: having two valves ) bivalvo/a adj adjetivo: Describe el sustantivo freshwater... Belonging to the class Bivalvia nervous system, a digestive system, and mussels are bivalves clams mussels! Opens its shell, water washes over the gills geography, and other reference data is for purposes... Strain out oxygen and food particles a two sided shell that will open and close like.... Are those with a two sided shell that will open and close via a hinge, like a door.... Includes a nervous system, and other reference data is for informational only... Bivalve opens its shell, water washes over the gills then strain out oxygen and food particles molluscan like! Tell a bivalve ’ s the Difference between “ Yule ” and “ Christmas ” is already discussed the... That these creatures are also called bivalves been modified in some species to be used digging! Bivalve comes from the Latin bis ( 'two ' ) and valvae ( 'leaves of a door ' ecology a... A hero or heroine pedal retractors present is a large field of,! ) bivalvo/a adj adjetivo: Describe el sustantivo have been conducted sometimes: Lamellibranchia biology CRC Press already discussed the! Or inhalant aperture different species of bivalve… valve bivalves as a natural group ; sometimes: Lamellibranchia freshwater. In no Time Adv biology -- the mollusks part called 'mollusks ' mussels are bivalves Correct Word Every.! Why do “ Left ” and “ Right ” Mean Liberal and Conservative talking like your teacher!