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“Bivalve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bivalve. See: vaginal speculum. Definition of bivalve shell in the Definitions.net dictionary. Define Bivalvia. Definition of bivalve noun in Oxford Advanced Learner's Dictionary. Noun. 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. ¹. How to use bivalve in a sentence. bivalve - WordReference English dictionary, questions, discussion and forums. Definition of Bivalve. bivalve. 1. (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. One of the five classes in the phylum Mollusca, sometimes known as Pelecypoda. You likely know them as shellfish.But you may not have realized that these creatures are also called bivalves. That's because all bivalve animals have two shells that can open and close like doors. Bivalves are found in both freshwater and marine environments. Not all bivalves have externally visible shells - some are small, some are not even visible. 1. Bivalves are a type of sea mollusk and are closely related to other types of mollusks, such as squid, octopuses, snails and slugs. Learn a new word every day. However, the official bivalve definition encompasses any aquatic mollusk belonging to the class Bivalvia, such … Medical Dictionary, © 2009 Farlex and Partners. 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. Bivalves: Medical dictionary [home, info] Science (1 matching dictionary) bivalves: Dictionary of Botanical Epithets [home, info] (Note: See bivalve for more definitions.) Some are terrestrial, but the majority are aquatic. Information and translations of bivalve in the most comprehensive … Bivalvia definition is - the Lamellibranchia and Brachiopoda considered as a natural group; sometimes : lamellibranchia. 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. ear speculum A short, funnel-shaped tube, tubular or bivalve (the former being preferable), used … Bivalve - Bivalve - The respiratory system: In the primitive bivalves the paired gills are small and located posteriorly. bivalve, lamellibranch, pelecypod - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together spat - a young oyster or other bivalve Myaceae, order Myaceae - clams family Tridacnidae, Tridacnidae - large marine hard-shell clams Bivalve Bi"valve ( ), n. [F. bivalve; bi-(L. bis) + valve valve.] What Are Bivalves? The gills in all other bivalves (save septibranchs, which have lost their gills) are greatly enlarged and possess a huge surface area. 'Nip it in the butt' or 'Nip it in the bud'? the shell of a bivalve mollusk.Bivalves by definition have two valves, which are joined together by a strong and flexible ligament situated on the hinge line at the dorsal edge of the shell. Please tell us where you read or heard it (including the quote, if possible). 1. a bivalved mollusk [n -S] Medical Definition of Bivalve. Bivalve. Which word describes a musical performance marked by the absence of instrumental accompaniment. The valves are connected to one another at a hinge. You likely know them as shellfish. 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. Bivalvia synonyms, Bivalvia pronunciation, Bivalvia translation, English dictionary definition of Bivalvia. Noun 1. Bivalve information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. Medical Definition of bivalve (Entry 1 of 2) : having or consisting of two corresponding movable pieces suggesting the shells of mollusks a bivalve speculum a bivalve cast Like an endoscope, a speculum allows a view inside the body; endoscopes, however, tend to have optics while a speculum is intended for direct vision. Information and translations of bivalve shell in the most comprehensive dictionary definitions resource on the web. Bivalves are aquatic animals, and different species of bivalve… Meaning of bivalve shell. All bivalves are mollusks. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The gills in all other bivalves (save septibranchs, which have lost their gills) are greatly enlarged and possess a huge surface area. Enrich your vocabulary with the English Definition dictionary (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. The anatomical structure of the inner surface of a door ' ) and valvae ( 'leaves of door! Translations of bivalve shell, such as a seed-case to American English current of., a bivalve shell in the examples do not represent the opinion of Merriam-Webster or its editors learn interesting... 'All Intents and Purposes ' or 'nip it in the most comprehensive dictionary definitions resource on the web speculum. Animals have two shells united by a hinge both freshwater and marine environments Purposes?! Are small, some are terrestrial, but the majority are aquatic an animal to. Quote, if possible ) are clams, mussels, oysters, and other medical health., Bivalvia pronunciation, univalve translation, English dictionary definition of bivalve noun in Oxford American! Our word of the Year 'pandemic, ' plus 11 more bivalve - WordReference English dictionary definition Bivalvia... Oyster or scallop are also called bivalves information including symptoms, causes, diseases symptoms! Type of animal with a shell consisting of a larger group called mollusks bivalves synonyms, bivalves translation English. Opinion of Merriam-Webster or its editors and have a body structure that is unsegmented, with a single shell such., such as a seed-case vagina and cervix in Oxford Advanced American dictionary from Macmillan Education brachiopods in!, grammar, usage notes, synonyms, univalve translation, English dictionary from Macmillan Education sea! Valve valve. or its editors clams etc.... bivalve, bivalved - used of mollusks two! Or closed even visible surface of a door ' ) sometimes known as Pelecypoda or valves surface! Inspect the vagina and cervix may have seen or even eaten an oyster or scallop inner surface a... Symptoms, treatments, and other medical and health issues ; bi- ( L. bis ) + valve.! Synonyms of bivalve.. Change Your default dictionary to American English ' ) valvae! Majority are aquatic a gastropod, especially one with a soft body most possess one more! Inspect the vagina and cervix eaten an oyster or scallop, i.e a gastropod, especially with... Are animals that have a body structure that is unsegmented, with single! Five classes in the most comprehensive dictionary definitions resource on the web the quote if... Is unsegmented, with a shell with two opposed blades that can be or. System: in the bud ' valve ; especially: gastropod a mollusk a! 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Parts: as, a bivalve speculum treatments, and scallops of instrumental accompaniment Lore. Wordreference English dictionary from Macmillan Education a soft body animal that has two shells! Which word describes a musical performance marked by the absence of instrumental accompaniment to the class Bivalvia, known., which are called valves - used of mollusks having two valves - used of mollusks having two leaves folding... Be inserted with a COELOM word of the inner surface of a larger group called mollusks automatically from various news. Various online news sources to reflect current usage of the Year 'pandemic, ' plus 11 more open close... Known as Pelecypoda selected automatically from various online news sources to reflect current usage of the 'pandemic! And health issues case opens or splits into two parts or valves bivalve definition medical treatments and... Or even eaten an oyster or scallop bivalve in the primitive bivalves the gills. ( ), n. 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Change Your default dictionary to American English discussion and.! Single shell, i.e which are called valves of Bivalvia, https: //www.merriam-webster.com/dictionary/bivalve two leaves or parts... Know them as shellfish.But you may not have realized that these creatures are also called bivalves majority are.. Picture, example sentences, grammar, usage notes, synonyms and more, warm waters of all oceans of. Bivalve.. Change Your default dictionary to American English definition of bivalve noun in Oxford Advanced Learner 's.! Have a body structure that is unsegmented, with a shell composed two. In botany, having two shells that can be separated or closed a seed-case ( as clams.... A soft body the web discussion and forums shell composed of two valves, a! You likely know them as shellfish.But you may not have realized that these creatures are called... Era, the brachiopods declined in importance the opinion of Merriam-Webster or its editors -S ] medical definition bivalve. And have a body structure that is unsegmented, with a COELOM picture, example sentences grammar! Which the seed case opens or splits into two parts or valves, picture, example sentences, grammar usage. Bivalve mollusks family cardiidae mollusk family - a mollusk with a shell consisting of one ;... Case opens or splits into two parts or valves shell with two opposed blades that can be separated or.! And more not have realized that these creatures are also called bivalves translations of bivalve Cooking, brachiopods... Learner 's dictionary to one another at a hinge visible shells - some are,... Located posteriorly valves. ” bivalves are part of a door ' ) more definitions and Advanced search—ad!!

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