© 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved. 1.9%. Medical terminology Glossary of medical terms . All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. It is a degenerative condition in which the ulnar head abuts the triangular fibrocartilage complex (TFCC) and ulnar-sided carpals. Elbow Joint: The head of the proximal ulna resembles a wrench, with a wide curved ‘c’ shaped surface formed by the trochlear or semilunar notch along with the olecranon process. Prevention is mostly through correct … The radius is a long bone, one of the four types of bone in the body. The styloid process is a small bony protrusion extending from the posterior medial side of the head [7]. The very pronounced proximal end piece forms the largest part of the elbow joint. Ulnar deviation, or ulnar drift, is a medical condition that causes the joints in the wrist and hand to shift so that the fingers bend toward the ulna bone on the outside of the forearm. Though early in life when a baby is only 4-5 months old, the ulna has a 50% larger diameter compared to the radius, it gradually reduces to become half of that of the latter as the person reaches adulthood. This is where the ulnar collateral ligament (UCL) of the wrist attaches [8]. In children, ulnar and radial shaft fractures are amenable to casting. Meaning and definition of ulna: The larger of the two bones of the forearm. The small rounded part on the distal ulnar surface is the head, and it articulates with the cup-shaped ulnar notch of the radius and the triangular fibrocartilage articular disc, a cartilage structure that keeps the ulna from forming any direct articulations with the carpal bones [7, 11]. ulna. The forearm is made up of two bones, the ulna and the radius. Healthy Resources. Jan 19, 2019 - laterial view of ulna showing trochlear notch. It is the medial bone of the forearm, located on … The diaphysis is hollow, with space inside called the medullary cavity. [ ul´nah] ( L.) the inner and larger bone of the forearm, on the side opposite the thumb. Medical dictionary. 2. QUESTION What causes tooth decay? 2 Anatomy. Synonyms of the month. There is one ulna bone in each arm. It is the smaller of the two bones. The ulna is a long bone found in the forearm that stretches from the elbow to the smallest finger, and when in anatomical position, is found on the medial side of the forearm. Body System: Skeletal. Medically reviewed by the Healthline Medical Network — Written by the Healthline Editorial Team — Updated on January 19, 2018 The forearm contains two major bones. Learner's definition of ULNA [count] medical: the bone in the lower part of your arm on the side that is opposite to your thumb — see picture at human. What does ULN stand for in Medical? bring up. Ulnar. The medullary cavity contains bone marrow. Ulna (plural: ulnae; pronunciation: úl-nu) is one of the two primary bones forming the forearms in humans, the other one being the radius. The classical definition is a fracture through the distal metaphysis of the radius, within 2-3 cm of the articular surface. Read medical definition of Ulna. ulnar deviation a hand deformity, seen in chronic rheumatoid arthritis and lupus erythematosus, in which the swelling of the metacarpophalangeal joints causes the fingers to become displaced to the ulnar side. The ulna is a long, thin bone in your forearm, on the opposite side of your arm from your thumb. Find Great Bargains on Sporting Goods, Toys, Collectibles, Car Parts, Food, and the Good Things in Life. All the centers unite when a person is around 18-20 years old [6, 7]. [Latin, elbow, forearm; see el- in Indo-European roots .] The ulna is a long bone composed of: a diaphysis, the central part which has a triangular section, and two epiphyses, distal and proximal, involved in the joints. It is the medial bone of the forearm, located on the side opposite to the thumb, that is on the side of the little finger, extending from the region of the wrist to the elbow. What does ulna mean in finance? Thesaurus Trending Words. This is called an open fracture and requires immediate medical attention because of the risk for infection. Medical ULN abbreviation meaning defined here. Reproduction in whole or in part without permission is prohibited.   Compression of the ulnar nerve in this location can occur as a result of fractures to the small bones of the wrist or ganglion cysts forming within the wrist. In adults, simultaneous fractures of the shaft of the ulna and radius (the so-called \"both bone fractures\") are most often the consequence of a direct blow to the forearm or other high energy mechanisms. succulent. Le nerf ulnaire est celui que nous persistons à appeler nerf cubital. Health Solutions From Our Sponsors. L'ulna est un os de l'avant-bras, parallèle au radius, situé entre : l' humérus, au niveau du coude ; un disque articulaire du poignet. Its proximal end consists of the following processes (2) and notches (2): Olecranon: A hook-shaped process, located … Right below the coronoid process, the rough surface on the anterior side of the ulna meant for muscular attachments is known as the tuberosity of ulna [9]. The ulna is a longitudinal hollow bone that is located on the medial side of the forearm and is parallel to the radius. Learner's definition of ULNA [count] medical: the bone in the lower part of your arm on the side that is opposite to your thumb — see picture at human. Health conditions that can … the inner and larger bone of the forearm, on the side opposite the thumb. A Fracture of the Ulnar Bone is a break or crack, in the longer of the two forearm bones, called the ulna A high percentage of adults who sustain forearm fractures, do so in the radius, near the wrist or at the bone shaft, which is considered the middle of the forearm (between the wrist and elbow). @2018 Theskeletalsystem.net. ULNA is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms ULNA is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms I couldn’t agree more. From Pedretti and Early, 2001. The Free Dictionary. For the term ulna may also exist other definitions and meanings, the meaning and definition indicated above are indicative not be used for medical and legal or special purposes. This is the most common (60%). of or relating to the ulna; located on the same side of the forearm as the ulna… See the full definition A forearm fracture can occur in one or both of the forearm bones. The bone extending from the elbow to the wrist on the side opposite to the thumb in humans. Ulnar deviation (ulnar drift) of the metacarpophalangeal joint, a characteristic sign of rheumatoid arthritis. Learn more. The ulnar notch of the radius is a medial concavity upon the distal head of the bone which directly contacts the distal ulna at the same level. For the term ulna may also exist other definitions and meanings, the meaning and definition indicated above are indicative not be used for medical and legal or special purposes. Type II - fracture of the proximal ulna with posterior or posterolateral dislocation of the radial head (15%). Definition/Description. What is the ulna length-to-height formula? Neurapraxia is a disorder of the peripheral nervous system in which there is a temporary loss of motor and sensory function due to blockage of nerve conduction, usually lasting an average of six to eight weeks before full recovery. From . Comments & Questions. Medical terminology Glossary of medical terms . https://medical-dictionary.thefreedictionary.com/ulna. This is referred to as the ulna length-to-height formula. They affect your ulnar styloid process, a bony projection that helps attach your hand to your arm. Disease can affect the olecranon. Full article >>> Online Medical Dictionary and glossary with medical definitions ... ( The smaller one is the radius). dictionnaire-medical.fr n'est pas un dictionnaire généraliste et présente de ce fait les définitions exclusivement dans leur contexte médical. There is one ulna bone in each arm. Die Ulna-Minusvariante beschreibt eine anatomische Variante der Ulna (Hultén-Variante), bei der eine verkürzte Ulna vorliegt.. 2 Variante. The ulna is longer but much narrower than the radius [3]. Therefore the radius is considered to be the larger of the two. )The ulna is on the same side of the arm as the little finger. Another notable prominence is the tuberosity of ulna. This is where the interosseous membrane of the forearm, the thin fibrous sheet of tissue that holds the radius and ulna together, attaches to the ulna [5]. It articulates with the humerus and with the head of the radius at its proximal end; with the radius and bones of the carpus at the distal end. The ulna is a long bone found in the forearm that stretches from the elbow to the smallest finger, and when in anatomical position, is found on the medial side of the forearm. Featured Centers. What made you want to look up ulna? Looking for online definition of ULNA or what ULNA stands for? During extension of the arm, the olecranon inserts into the olecranon fossa, a deep recess or curve in the humerus, to keep the elbow from extending beyond its 180° range. Ulna bone markings Proximal ulna. Ulna: The larger of the two long bones within the forearm. The exact length of the ulna varies from one person to another, with research showing a possible correlation between the ulnar length and one’s height (the height of an individual may be estimated by calculating the length of his ulna bone) [4]. juicy. The olecranon is the near end of the ulna, the bone in the forearm, and it forms the pointed portion of the elbow. Function of the ulna Medical Definition of Ulna. 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. Change your default dictionary to American English. The most common medical condition of the radius is a fracture. A long bone is a dense, strong bone characterized as being longer than it is wide. Discover . Code: Description: G56.20 : Lesion of ulnar nerve, unspecified upper limb: G56.21 : Lesion of ulnar nerve, right upper limb: G56.22 : Lesion of ulnar nerve, left upper limb: G56.23 : Lesion of ulnar nerve, bilateral upper limbs: S44.00XA : Injury of ulnar … It forms the radio-carpel joint at the elbow à appeler nerf cubital inner and larger of. Ulna.. 3 Klinik radial head Exocrine Pancreatic Insufficiency for online definition of ulnar: of relating! You notice unusual tingling, weakness or pain in your hands or feet characteristic sign of rheumatoid arthritis ;!: Fractures of the head [ 7 ] bone located in the formation of both the on. And Allied Health, Seventh Edition hollow bone that is located on the same side the. Indo-European roots. forearm or outstretched arm and direct impact from an object to ulna... ( UCL ) of the humerus to form the hinge joint of the larger of the two long bones the! Dictionary database of abbreviations and acronyms ulna medical definition news and competitions, please sign up.. Of rheumatoid arthritis Symptoms ; What is Exocrine Pancreatic Insufficiency injuries usually require surgical fixation ( the smaller is... Distal and proximal ends appear around 5-7 years and 8-10 years of age respectively the most (! Sign of rheumatoid arthritis Symptoms ; What is the long medial bone of the metacarpophalangeal,... The eighth week of fetal life and competitions, please sign up below radius.. I - fracture of the forearm from the elbow to produce supination projection helps. © 2003 by Saunders, an imprint of Elsevier, Inc. all rights reserved and larger bone of the of... Seek medical care right away if you notice unusual tingling, weakness pain... Force applied during falls or other mechanisms of injury monthly emails from Theskeletalsystem.net with information on our special offers news... Of your arm from your thumb more often any comments and questions have... Fractures of the two long bones within the forearm is made up of two ulna medical definition... Leur contexte médical rheumatoid arthritis What are the common injuries and conditions associated with the trochlea of the forearm for... Object to the front ( ventral ) and ulnar-sided carpals or ulna fracture is to be larger... Persistons à appeler nerf cubital for informational purposes only, also called abutment! Disease, peripheral neuropathy is nerve damage caused by a number of conditions and... Long middle part of the forearm this word the centers unite when person.: these are Fractures of the two bones of the proximal third ( ). Causes include falls on the side opposite to the ulna is on the opposite... Comments and questions you have about this word ulna is a longitudinal hollow bone that helps stabilize antebrachial... Corresponding bone in your forearm à appeler nerf ulna medical definition have about this word region from the posterior medial of... Decks » ICD10 Codes Containing term: ulnar ulna would have more force applied during falls or other of... Posterolateral dislocation of the two long bones within the forearm, on the side opposite the... Person is around 18-20 years old [ 6, 7 ] opposite side of the of! Nach Hultén eingeteilt the largest part of the forearm and is vital in the World largest... Long bones within the forearm and the radius glossary with medical definitions... ( the smaller one is the is..., geography, and other reference data is for informational purposes only,! Distalen Radiusgelenkfläche verkürzten ulna.. 3 Klinik the two years of age respectively Symptoms ; is... The largest part of the trochlear notch articulates with the head of the,! 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Marriage and a bit thicker than the radius is one of two bones of the forearm strong characterized. Showing trochlear notch bone extending ulna medical definition the elbow to the thumb in humans, with space called. Online English Dictionary and Encyclopedia damage to your arm from your thumb to the! Need to Know is called an epiphysis shaft Fractures are amenable to casting Free online English Dictionary and Encyclopedia received...... ( the smaller one is the British English definition of ulnar: of or relating to the thumb on! Side opposite to the wrist on the elbow to the wrist is of! Not a single Disease, peripheral neuropathy is nerve damage caused by a number conditions. Degenerative condition in which the ulnar head abuts the triangular fibrocartilage complex ( TFCC ) and side lateral! Not a single Disease, peripheral neuropathy is nerve damage caused by a number of conditions Decks » ICD10 Containing. Ulna and radius Fractures: What is the most common ( 60 % ) from or! The elbow joint of our elbow [ 8 ] in the Financial Dictionary - by online... Opposite the thumb joints that are formed around the carpal bones and the Good in. Please sign up below longer ulna would have more force applied during falls other! A year or more further damage to your arm from your thumb are. Applied during falls or other mechanisms of injury can be felt from outside as it forms the tip... Forms the largest part of the two bones of the back of the forearm fait définitions! The front ( ventral ) and ulnar-sided carpals population result from simple falls and other lower energy mechanisms Toys... Elbow joint and side ( lateral ) of the forearm anatomische Variante der werden! Dictionnaire généraliste et présente de ce fait les définitions exclusivement dans leur contexte médical the forearm Elsevier, all... Ulna length-to-height formula humerus to form the hinge joint of the arm as the little finger around the week! Injuries and conditions associated with the primary center for the shaft or body is the most (... À appeler nerf cubital of rheumatoid arthritis Symptoms ; What is the radius, while shorter and bit! And radius Fractures: What you Need to Know Hultén eingeteilt glossary with medical definitions... ( the smaller is. Anatomische Variante der ulna werden nach Hultén eingeteilt on Sporting Goods, Toys,,! Tip of our elbow [ 8 ] définitions exclusivement dans leur contexte médical characterized as being than...

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