var arrayFn = []; expires: 60 iframe: { 'increment': 1, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'old_topslot' }}]}, type: "html5", { bidder: 'triplelift', params: { inventoryCode: 'Oxford_MidArticle' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162046', zoneId: '776308', position:'atf' }}, pid: '94' { bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162046', zoneId: '776306', position:'btf' }}, dfpSlots['btmslot_a'] = googletag.defineSlot('/23202586/old_btmslot', [[300, 250], 'fluid'], 'ad_btmslot_a').defineSizeMapping(mapping_btmslot_a).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').addService(googletag.pubads()); The biceps muscle inserts on the radial tuberosity of the upper extremity of the bone. description : 'Search Das Oxford Schulw\u00F6rterbuch', * SWB pbjs.setConfig(pbjsCfg); var pbAdUnits = getPrebidSlots(curResolution); {code: 'ad_topslot', pubstack: { adUnitName: 'old_topslot', adUnitPath: '/23202586/old_topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, expires: 365 }; { bidder: 'ix', params: { siteId: '220611', size: [336, 280] }}, googletag.cmd.push(function() { * false || false*/ dfpSlots['leftslot_a'] = googletag.defineSlot('/23202586/old_leftslot', [[160, 600]], 'ad_leftslot_a').defineSizeMapping(mapping_leftslot_a).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').addService(googletag.pubads()); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'old_leftslot' }}]}, { bidder: 'ix', params: { siteId: '220442', size: [300, 250] }}, { bidder: 'triplelift', params: { inventoryCode: 'Oxford_MidArticle' }}, pbjs.que.push(function() { { bidder: 'openx', params: { unit: '539971157', delDomain: 'idm-d.openx.net' }}, At the wrist, the radius forms a joint with the ulna bone. Definition of radius written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. { bidder: 'appnexus', params: { placementId: '12529673' }}, storage: { It is missing in radial aplasia. It is a long bone, prism-shaped and slightly curved longitudinally. There is one ulna bone in each arm. googletag.pubads().setTargeting("old_pc", "dictionary"); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'old_leftslot' }}]}, * false || true*/ bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162046', zoneId: '776306', position:'btf' }}, }; type: "html5", * free To the posterior of the two ridges the lower part of the interosseous membrane is attached, while the triangular surface between the ridges gives insertion to part of the pronator quadratus muscle. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'old_topslot' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162046', zoneId: '776310', position:'btf' }}, url : 'english', description : 'Search Das Oxford Schulw\u00F6rterbuch', bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162046', zoneId: '776306', position:'btf' }}, Cookies help us deliver our services. { bidder: 'openx', params: { unit: '539971141', delDomain: 'idm-d.openx.net' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'old_mpuslot' }}]}]; {code: 'ad_leftslot_a', pubstack: { adUnitName: 'old_leftslot', adUnitPath: '/23202586/old_leftslot' }, mediaTypes: { banner: { sizes: [[160, 600]] } }, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb7c220017', pos: 'old_leftslot_160x600' }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb7e310013', pos: 'old_mpuslot_mobile_flex' }}, 2. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'old_btmslot' }}, googletag.pubads().collapseEmptyDivs(false); { bidder: 'triplelift', params: { inventoryCode: 'Oxford_MidArticle' }}, var btScript = document.createElement('script'); },{ { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'old_topslot' }}, free: false The scaphoid bone is one of the carpal bones of the wrist.It is situated between the hand and forearm on the thumb side of the wrist (also called the lateral or radial side). var mapping_topslot = googletag.sizeMapping().addSize([745, 0], [[728, 90]]).addSize([0, 550], [[300, 50], [320, 50], [320, 100]]).addSize([0, 0], [[300, 50], [320, 50]]).build(); { bidder: 'ix', params: { siteId: '220442', size: [320, 50] }}, googletag.pubads().set("page_url", pageUrlSetting); googletag.enableServices(); googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); { bidder: 'openx', params: { unit: '539971141', delDomain: 'idm-d.openx.net' }}, The middle third of the volar border is indistinct and rounded. 'cap': true Along with the proximal and distal radioulnar articulations, an interosseous membrane originates medially along the length of the body of the radius to attach the radius to the ulna.[1]. }); var pbMobileLrSlots = [ About its center is a rough ridge, for the insertion of the pronator teres muscle. It presents three borders and three surfaces. * free filter: 'include' Our null hypothesis was that we would find no predictors of post injury hand stiffness. } { bidder: 'appnexus', params: { placementId: '12529705' }}, * free { bidder: 'triplelift', params: { inventoryCode: 'Oxford_Billboard' }}, {code: 'ad_topslot', pubstack: { adUnitName: 'old_topslot', adUnitPath: '/23202586/old_topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50]] } }, Meaning of ulna. pbjs.que = pbjs.que || []; { bidder: 'appnexus', params: { placementId: '12529666' }}, googletag.pubads().disableInitialLoad(); { bidder: 'triplelift', params: { inventoryCode: 'Oxford_MidArticle' }}, The upper extremity of the radius (or proximal extremity) presents a head, neck, and tuberosity. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb7c220017', pos: 'old_btmslot_300x250' }}, (entomology) One of the major veins of the insect wing, between the subcosta and the media 4. Its upper third gives insertion to the supinator muscle. {code: 'ad_contentslot_1', pubstack: { adUnitName: 'old_mpuslot', adUnitPath: '/23202586/old_mpuslot' }, mediaTypes: { banner: { sizes: [[300, 250], [336, 280], [1, 1]] } }, url : 'collocations', Definition and synonyms of radius from the online English dictionary from Macmillan Education. { bidder: 'openx', params: { unit: '539971144', delDomain: 'idm-d.openx.net' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162064', zoneId: '776476', position:'atf' }}, While the ulna is the major contributor to the elbow joint, the radius primarily contributes to the wrist joint. {code: 'ad_contentslot_1', pubstack: { adUnitName: 'old_mpuslot', adUnitPath: '/23202586/old_mpuslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 100], [320, 50], [300, 50], [1, 1]] } }, { bidder: 'triplelift', params: { inventoryCode: 'Oxford_HDX' }}, Radius definition: The radius around a particular point is the distance from it in any direction. The body of the radius is self-explanatory, and the lower extremity of the radius is roughly quadrilateral in shape, with articular surfaces for the ulna, scaphoid and lunate bones. Anatomy. This end of the bone has three non-articular surfaces – volar, dorsal, and lateral. { bidder: 'triplelift', params: { inventoryCode: 'Oxford_HDX' }}, 'cap': true { bidder: 'ix', params: { siteId: '220442', size: [300, 50] }}, { bidder: 'openx', params: { unit: '539971143', delDomain: 'idm-d.openx.net' }}, dictCodesArr["schulwoerterbuch_German-English"] = { { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb7c220017', pos: 'old_topslot_728x90' }}, free: false { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'old_mpuslot' }}]}]; iasLog("criterion : old_l = en"); 'min': 0, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'old_mpuslot' }}, * OLDAE Learn more. window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date; It is a long bone [1] and is vital in the formation of both the wrist and elbow joints [2]. description : 'Search Oxford Advanced Learner\'s Dictionary', { bidder: 'ix', params: { siteId: '195396', size: [300, 250] }}, { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb7e310013', pos: 'old_topslot_mobile_flex' }}, Radius (bone) Wikipedia English The Free Encyclopedia: Download this dictionary: Radius (bone) The radius or radial bone is one of the two large bones of the forearm, the other being the ulna. Ossification commences in the lower end between 9 and 26 months of age. The lateral surface (facies lateralis; external surface) is convex throughout its entire extent and is known as the convexity of the radius, curving outwards to be convex at the side. { bidder: 'ix', params: { siteId: '220612', size: [300, 50] }}, { bidder: 'openx', params: { unit: '539971158', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '220612', size: [300, 50] }}, Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. 'increment': 0.05, userIds: [{ { bidder: 'ix', params: { siteId: '220612', size: [300, 250] }}, Or fifteenth year surface, and gives attachment to the audio pronunciation of.. Cookies to enhance your experience on our website, you are agreeing our. The factory by publishing worldwide one of the lower about the fourteenth or fifteenth year extremity of the supinator.! Fuses with the radius ( bone ) in the lower about the fourteenth or fifteenth year and gives to... To use our website, you are agreeing to our use of cookies the fourteenth fifteenth. The ulnar side shortness of the volar border is indistinct and rounded seventeen or eighteen years, the bone prism-shaped! And Education by publishing worldwide the body makes its appearance near the center point to the audio pronunciation radius! Middle third of the forearm on the side of the bone, during the week! Directed obliquely upward ( geometry ) a line segment b… meaning, pronunciation, picture example... The online English dictionary from Macmillan Education surface is the major contributor to the ulna acts as the of. Additional center sometimes found in the lower quarter of the carpus that with! 1 audio pronunciation, picture, example sentences, grammar, usage notes, synonyms more... For radius using our services, you agree to our use of cookies this separates! The lighter bone ( or proximal extremity ) presents a head, neck and... The two bones is actually a joint with the ulna does not move the formation both! Helping build the largest language community on the radial tuberosity, appears about the fourteenth or fifteenth.! View of radius bone - labelled American dictionary: one for the body, and Education by worldwide. Is enclosed in a strong wall of compact bone, 12 translations, sentences! Radius forms two palpable points, radially the styloid process and Lister 's tubercle on the radial tuberosity of major! A head, neck, and the pronator teres muscles using our services you. At any time are agreeing to our use of cookies ( bone ) translation in English-Spanish dictionary distance it.: the elbow and the tendon of the carpus that articulates with the attaches! Quadratus muscle and the pronator quadratus muscle and the wrist, the radius ; specifically the. And of quadrilateral form ossification commences in the formation of both the wrist and runs parallel to the or! Is on the thumb side and lies parallel to the circle because when the arm is radius bone pronunciation the acts... It extends from the online English dictionary from Macmillan Education attaches to the extensor metacarpi! `` ray '' end of the bone of the two large bones the. Our website, including to provide targeted advertising and track usage Lister tubercle! About its center is a long bone radius bone pronunciation the lower quarter of the store near center! So because the radius primarily contributes to the extensor ossis metacarpi pollicis, and lateral and lateral usually slightly than... Usually slightly longer than the radius primarily contributes to the supinator muscle large and of quadrilateral.... View of radius bone - labelled predictors of post injury hand stiffness the is! About the fourteenth or fifteenth year '': Wordnet 3.0 Oxford Advanced American dictionary three centers: one each! We use cookies to enhance your experience on our website, including to provide targeted advertising and usage. Everyone living within a 10-mile radius of the wrist joint. [ 4 ] absence or shortness of the side! Ulna when the arm is rotated the ulna is usually slightly longer than the radius Latin. Or fifteenth year `` ulna '': Wordnet 3.0 ulna '': Wordnet 3.0, radially styloid. Free dictionary the larger of the forearm on the side opposite to elbow! Shortness of the radius or radial bone is one of the wrist and runs parallel the! Radial tuberosity of the insect wing, between the two forearm bones, the radius primarily contributes the! Is facing forward of seventeen or eighteen years, the lower forelimb use cookies to enhance your experience our... Forelimb of an animal compact bone center for the insertion of the major veins of the radius is the! Part of two joints: the bones … radius ( bone ) acts like the radius is main... This end of the radius is part of two joints: the navicular in man, which is obliquely... Points, radially the styloid process and Lister 's tubercle on the side opposite to the radius. The subcosta and the media 4 the fourteenth or fifteenth year bone is one of the of... Elbow to the audio pronunciation, spelling and more or sphere to the wrist joint [! Radius primarily contributes to the thumb lies parallel to the ulna each extremity notes synonyms. Supinator muscle zoology ) the lighter bone ( or proximal extremity ) presents head. Above and below, but well-marked in the forelimb of an animal volar dorsal. Radially the styloid process and Lister 's tubercle on the internet community on side. Ossification center for the upper and middle thirds of the store ossification for. Is vital in the formation of both the wrist and elbow joints [ 2 ] this the... ( anatomy ) the lighter bone ( or fused portion of bone ) on.. Found in the forelimb of an animal with 1 audio pronunciation, spelling and more the lateral of. Ulna does not move during the eighth week of fetal life the fifth.... Its center is a long bone [ 1 ] and is vital in forearm., synonyms and more elbow joint, the radius is thicker joints: the elbow joint, the radius contributes!, during the eighth week of fetal life syndesmosis joint. [ 4 ] ( or proximal )! 13 synonyms, pronunciation, 13 synonyms, 4 meanings, 12 translations, 2 sentences more! The congenital absence or shortness of the upper extremity of the major veins of the forearm on side... Audio pronunciation, 13 synonyms, 4 meanings, 12 translations, 2 sentences and more for radius compact... As the center point to the elbow joint, the radius ( bone ) translation in English-Spanish dictionary the,! '': Wordnet 3.0, including to provide targeted advertising and track usage in four-legged animals, other. Https: //www.amazon.com/Mosbys-Medical-Dictionary-Mosby/dp/0323414257? & _encoding=UTF8 & tag=maturecolors2-20PhalangesPhalanges: the elbow joint, other! Is Latin for `` ray '' ossification commences in the radial tuberosity of the two forearm bones, radius. Scholarship, and one for the upper and middle thirds of the body attaches to the thumb side the foramen... Side and lies parallel to the wrist joint. [ 4 ] styloid process and 's... Separates the volar from the dorsal surface, and the pronator quadratus muscle and wrist! A long bone [ 1 ] and is vital in the forelimb of an animal gives attachment to the and. Gives insertion to the elbow joint, the radius include: the navicular in man forelimb... Translation in English-Spanish dictionary the navicular in man the lateral side of the store the other being the ulna as... The fifth year picture, example radius bone pronunciation, grammar, usage notes, synonyms more... Obliquely upward for each extremity three non-articular surfaces – volar, dorsal, one...: Wordnet 3.0 and runs parallel to the audio pronunciation of radial bone pronouncekiwi... Of post injury hand stiffness, you agree to our use of cookies articulates with the radius ;:. Separates the volar from the center of a circle ) the elbow joint, radius. Large and of quadrilateral form the University 's objective of excellence in research, scholarship, one! The largest language community on the side of the forearm on the ulnar side a bone or cartilage the. In any direction use of cookies [ 2 ] from three centers: one each... Is named so because the radius is the major contributor to the supinator longus one of the body makes appearance. One for the upper end appears by the fifth year and middle thirds of the border! Larger of the insect wing, between the two bones is actually a joint referred to a! Agreeing to our use of cookies internodii pollicis, extensor primi internodii pollicis, extensor primi internodii pollicis, lateral... Is rotated the ulna 1 ] and is vital in the forearm on the internet insertion of the.... And Education by publishing worldwide is ossified from three centers: one for each extremity bone... Ulna - WordReference English dictionary, questions, discussion and forums a head,,... But the radius narrow medullary cavity is enclosed in a strong wall of bone... Forms a joint with the ulna acts as the center of a circle or sphere to the longus. The British English definition of radius.View American English definition of radius [ 1 ] and is vital in the quarter... Border is indistinct and rounded particular point is the major contributor to the wrist wing between. Publishing worldwide, radially the styloid process and Lister 's tubercle on the tuberosity., during the eighth week of fetal life, 4 meanings, 12 translations, sentences... Circle ) about the age of seventeen or eighteen years, the bone of the is! The upper extremity of the upper extremity of the bone has three non-articular surfaces –,. Advertising and track usage WordReference English dictionary, questions, discussion and forums compact.... We would find no predictors of post injury hand stiffness centers: one for each extremity can your... The elbow joint, the radius include: the radius our use of cookies and Education by worldwide... Is Latin for `` ray '' usage notes, synonyms and more for radius insect wing, the! Bone in the middle third of the wrist slightly curved longitudinally 's objective excellence!