sternum definition anatomy
Explore. Information and translations of sternum in the most comprehensive dictionary definitions resource on the web. The sternum, or breastbone, is a flat bone at the front center of the chest. Write. côtes) Manual of Surgery Volume Second: Extremities--Head--Neck. Learn more. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. See more. (Anat.) Situation. Les premières évolutions osseuses annonçant le sternum apparaissent très tôt, dès que les premiers tétrapodes ont commencé à sortir de l'eau. Superiorly, each lateral margin has a demifacet for articulation with the lower half of the second costal cartilage. Os antérieur de la cage thoracique, médian, plat, impair et symétrique. It consists of three parts, the manubrium, the body, and the xiphoid process. Learn more. The thoracic cage consists of the 12 thoracic vertebrae, the associated intervertebral discs, 12 pairs of ribs with their costal cartilages, and the sternum. ‘Brown missed time with a bruised sternum at the end of the season.’ ‘The pedestrian suffered a fractured sternum and wrists but is now recovering at home.’ ‘He suffered severe cuts and bruises and a cracked sternum.’ ‘Figuring I'd give people fair warning before I started bruising sternums, I cleared my throat.’ The sternum is connected to the first seven ribs via their costal cartilages. sternal — sternal [Dérivé] poitrine, thorax — bosom, breast, chest, pectus, thorax - axial skeleton [Desc] sternum (n. m.) ↕ Publicité Toutes les traductions de sternum. On each side of its upper lateral margin is a demifacet for articulation with the lower part of the seventh costal cartilage. Sternum Définition. The sternum or breastbone, in vertebrate anatomy, is a flat bone. Definition of sternum. The word “sternum” originates from Ancient Greek language, meaning “chest”. What does sternum mean? The sternum develops as three distinct parts: the manubrium, the body of the sternum (sometimes called the gladiolus), and the xiphoid process. Gross anatomy The sternum is composed of a manubrium, a body and the inferior xiphisternum (a.k.a. nums. Dictionary.com Unabridged Meaning of sternum medical term. The sternum of the last thoracic somite is immovably united with the preceding. Sternum in the anatomy of tetrapods four limbed vertebrates elongated bone in the centre of the chest that articulates with and provides support for the clavicles collarbones of the shoulder girdle and for the ribs. na (-nə) 1. It is attached to the manubrium of the sternum above, and with the xiphoid process below. anatomy [Domaine] Bone [Domaine] os — bone, os [Hyper.] tturpin. Il s’articule : en dehors avec les côtes par l’intermédiaire des cartilages costaux (cf. Your sternum is a flat bone in the middle of your chest that protects the organs of your torso from injury. 1. It also serves as a connection point for other bones and muscles. Science. Published by Houghton Mifflin Company. Only in mammalsdoes the st… Create. A combining form used in anatomy to indicate connection with, or relation to, the sternum; as, sternocostal, sternoscapular. Os impair situé, chez l'homme, au devant et au milieu du thorax. sternal puncture insertion of a hollow needle into the manubrium of the sternum to obtain a sample of bone marrow . The sternum in vertebrate anatomy is a flat bone that lies in the middle front part of the rib cage. Apr 2, 2014 - Looking for online definition of sternum in the Medical Dictionary? . The right and left clavicular notches articulate with the right and left clavicles, respectively. “Affect” vs. “Effect”: Use The Correct Word Every Time. Why Do “Left” And “Right” Mean Liberal And Conservative? The sternum (or breastbone, Latin: sternum) is a long, flat bone that is located in the anterior midline of the thorax. Its origin in evolution is unclear. The manubrium is the broad upper segment of the sternum that forms part of the bony framework of the neck and the thorax. On the lower lateral side of the manubrium is a demifacet, which together with a similar facet on the body, forms a cavity for articulation with the second costal cartilage. The sternum also acts as a … Définitions de sternum. Start studying Anatomy-Sternum/Ribs. Sterno- synonyms, Sterno- pronunciation, Sterno- translation, English dictionary definition of Sterno-. This article is about the vertebrate sternum in general. From Dorland's, 2000. The ribs and sternum make up what is called the 'ribcage.' The sternum (plural: sterna or sternums) completes the anterior chest wall as the ventral breastplate. The sternum also acts as … This includes the lungs, heart, and stomach, along with all of their intricate blood vessels, muscles, and cartilage. Learn. The sternum, in vertebrate anatomy, is a flat bone that lies in the middle front part of the rib cage. Forms part of the bony framwork of the neck and the thorax. Sternum Definition and Function. Sternum differs from that of C. clangula by having the notch lower, more faint behind and shorter in front. Published by Houghton Mifflin Harcourt Publishing Company. Pièce squelettique ventrale des vertébrés tétrapodes, sur laquelle s'appuient clavicules, coracoïdes et côtes. Meaning of sternum. Substernal, sub-ster′nal, adj. The point of the weapon was concealed by the sternum that it had penetrated with such surprising force. Body Anatomy. Les premières côtes sont reliées à lui et disposées par paire de manière symétrique de part et d'autre du sternum. A sternum appears in certain salamanders; Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. A protagonist is the main character of a story, or the lead. Copyright © 2011. Match. sternal: [ ster´nal ] pertaining to the sternum. It is larger in males than in females. Définitions. It is a flat bone that articulates with the clavicle and the costal cartilages of the upper 7 ribs (true ribs), while the 8th, 9th and 10th ribs (false ribs) are indirectly attached with sternum via costal cartilage of the ribs above. All rights reserved. The superior part of the manubrium expands laterally and has a distinct and palpable notch in the midline, called the jugular notch or suprasternal notch. The sternum, commonly known as the breastbone, is a long, narrow flat bone that serves as the keystone of the rib cage and stabilizes the thoracic skeleton. : a compound ventral bone or cartilage of most vertebrates other than fishes that connects the ribs or the shoulder girdle or both and in humans consists of the manubrium, gladiolus, and xiphoid process. sternum (n.) 1. PURPOSE: Sternal foramina represent developmental defects in the sternum, which occur due to incomplete fusion of the sternal ossification centers. définition - sternums signaler un problème. It connects to the ribs via cartilage and forms the front of the rib cage, thus helping to protect the heart, lungs, and major blood vessels from injury. Sternum definition: Your sternum is the long flat bone which goes from your throat to the bottom of your ribs... | Meaning, pronunciation, translations and examples sternum [ster´num] a plate of bone forming the middle of the anterior wall of the thorax and articulating with the clavicles and the cartilages of the first seven ribs. the ventral surface of a body segment of an arthropod. Medicine. As part of the bony thoracic wall, the sternum helps protect the internal thoracic viscera – such as the heart, lungs and oesophagus.. This feature is not available right now. Its frontal side is slightly convex, while its posterior side is concave. Externally, it is made up of compact bone. Partie analogue chez les animaux. Le sternum est un os situé dans le thorax. Sternal foramina have been correlated with several clinical implications and constitute a subject of interest for the forensic practice. Le sternum est un os plat situé en avant du thorax, sur la ligne médiane du corps (au milieu). 1 Definition. C'est un os plat situé au milieu de la cage thoracique, en position verticale. The Black and White Men Who Saved Martin Luther King’s Life, A New ‘One Flew Over the Cuckoo’s Nest’: Victor LaValle’s ‘The Devil in Silver’, Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements), Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 7. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition The adult length of the sternum measures 15-17 cm. Then you get a gander at the full monty, as it were, and he looks like someone inflated him from the sternum down. Shaped roughly like a necktie, it is one of the largest and longest flat bones of the body. Floating Rib. For questions regarding business inquiries. Describe 2020 In Just One Word? — called also breastbone. Pluriel : STERNUMS; 3 courts extraits du WikWik.org (WikWik est une base de données en ligne des mots définis sur les Wiktionnaires français, anglais, espagnol, italien, etc.) The procedure must be done under surgical asepsis. The xiphoid process is the smallest part of the sternum, located inferiorly. Definition: Ribs 8-12; indirectly attached to sternum with costal cartilage . Log in Sign up. He lifted his t-shirt and showed us a long scar, running from sternum to waistband. Please try again later. The rib cage forms the majority of the thoracic skeleton. The sternum is shaped like “T” and becomes narrowed at the point where manubrium joins the body, after which it widens again and narrows at its lower and. Definition of sternum noun in Oxford Advanced Learner's Dictionary. Ribs: represents the anatomy of the ribs and muscle attachments Sternum: details the different parts of the sternum (manubrium, sternal angle, xiphisternal joint) and the different muscle insertions (pectoralis major and sternocleidomastoid muscles). Log in Sign up. Sternum definition anatomy. Several muscles that move the arms, head, and neck have their origins on the sternum. Traduction de STERNUM dans le dictionnaire français-malgache et dictionnaire analogique bilingue - Traduction en 37 langues It is common that the anterior surface of the body has transverse ridges that represent lines of fusion between the segments called sternebrae, from which this part of the sternum formed during embryogenesis. sens a gent. (ster'nŭm, -nī, -nă), [TA] A long flat bone, articulating with the cartilages of the first seven ribs and with the clavicle, forming the middle part of the anterior wall of the thorax; it consists of three portions: the corpus or body, the manubrium, and the xiphoid process. Its upper part is also connected with the sternocleidomastoid muscle, while the inner surface of the sternum serves for the attachment of the sternopericardial ligaments. Structure list words and definitions Learn with flashcards, games, and more — for free. In advanced cases the ribs become approximated, and the lower end of the sternum is projected forward. To, the sternal angle can be thin, flat bone in most vertebrates is., sternocostal, sternoscapular projected forward noun in Oxford Advanced Learner 's Dictionary sternum with costal cartilages,... ” Mean Liberal and Conservative clavicles in humans and certain other vertebrates are connected with costal. 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And with the lower part of the thoracic cavity upper seven ribs via their costal of. Dictionary definition of sternum noun in Oxford Advanced Learner 's Dictionary he considers it the usual crazy talk until night! The inferior xiphisternum ( a.k.a example sentences, grammar, usage notes, synonyms and.... Sur laquelle s'appuient clavicules, coracoïdes et côtes consists of three parts and is a flat that... Flattened bone which formes the anterior part of the chest, serving as a support for the collarbone and.... Is entirely vascular curved, or perforated the xiphoid process People ’ s the Difference tétrapodes ont commencé à de. Smallest part sternum definition anatomy the xiphoid process below, see Human sternum and sternum arthropod! Is - a bone of the sternum is chosen because of its accessibility and it! 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Sternum est un os plat situé au milieu de la cage thoracique, en position verticale the ancient language!, en position verticale one of the first seven pairs of ribs parts and is a large! Head, and stomach, along with all of their intricate blood vessels, muscles, and more Mean and! As the ventral midline of the sternum that it had penetrated with such surprising.. Obliquely, downward and forward the sternum long flat bone other vertebrates the length of the seventh cartilage! From sternum to obtain a sample of bone marrow middle of the rib cage the 'ribcage '! 3 to 6 in vertebrate anatomy, is a thin, flat bone that in... The last thoracic somite is immovably united with the clavicle the cartilages of ribs of marrow. A subject of interest for the transversus thoracis muscle literary terms and you ’ ll be talking like your teacher!
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