definition of glenoid
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Glenoid cavity (Redirected from Glenoid). The glenoid cavity or glenoid fossa of scapula is a part of the shoulder. It is a shallow pyriform, articular surface, which is located on the lateral angle of the scapula.he humerus is held in place within the glenoid cavity by means of the long head of the bicep tendon. This tendon originates on the superior margin of the glenoid cavity and loops over the shoulder bracing humerus against the cavity.
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Glenoid Labrum Tear Injuries are classed as either superior, towards the top of the glenoid socket, or inferior towards the bottom of the glenoid socket. A superior injury is known as a SLAP lesion (superior labrum, anterior to posterior and is a tear of the rim above the middle of the socket that may also involve the biceps tendon. A tear of the rim below the middle of the glenoid socket is called a Bankart lesion and also involves the inferior glenohumeral ligament. Tears of the glenoid labrum may often occur with other shoulder injuries, such as a dislocated shoulder.
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Glenoid labrum Glenoid labrum. The glenoid labrum (glenoid ligament) is a fibrocartilaginous rim attached around the margin of the glenoid cavity in the shoulder blade. The shoulder joint is considered a ball and socket joint. However, in bony terms the 'socket' (the glenoid fossa of the scapula) is quite shallow and small, covering at most only a third of the 'ball' (the head of the humerus). The socket is deepened by the glenoid labrum.
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- The glenoid labrum (glenoid ligament) is a fibrocartilaginous rim attached around the margin of the glenoid cavity in the shoulder blade.owever, in bony terms the 'socket' (the glenoid fossa of the scapula) is quite shallow and small, covering at most only a third of the 'ball' (the head of the humerus). The socket is deepened by the glenoidal labrum.
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Shoulder It is formed by the articulation between the head of the humerus and the lateral scapula (specifically-the glenoid cavity of the scapula). The ball of the joint is the rounded, medial anterior surface of the humerus and the socket is formed by the glenoid cavity, the dish-shaped portion of the lateral scapula.
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Glenoid cavity The lateral angle of the scapula or glenoid angle also known as the head of the scapula is the thickest part of the scapula. It is broad and bears the glenoid cavity on its articular surface which is directed forward, laterally and slightly upwards, and articulates with the head of the humerus.
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Shared Flashcard Set Definition. ball and socket joint. Head of humerus fits into glenoid fossa in scapula (not very stable) very shallow depression. All the muscles and ligaments hold it together better. For mobility not stability.
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Glenoid Labrum Tear A superior injury is known as a SLAP lesion (superior labrum, anterior to posterior and is a tear of the rim above the middle of the socket that may also involve the biceps tendon. A tear of the rim below the middle of the glenoid socket is called a Bankart lesion and also involves the inferior glenohumeral ligament.
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Chapter 8 - Study Notes Where is the glenoid cavity held, where does it articulate and what does it form? Held in the scapular head, articulates with the humerus and forms the shoulder joint (glenohumeral joint) What are the two processes of the glenoid cavity and how are they distinguishable?
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Anatomy With this tool, they have been able to identify and treat a shoulder injury called a glenoid labrum tear. The shoulder joint has three bones: the shoulder blade (scapula), the collarbone (clavicle), and the upper arm bone (humerus). The head of the upper arm bone (humeral head) rests in a shallow socket in the shoulder blade called the glenoid. The head of the upper arm bone is usually much larger than the socket, and a soft fibrous tissue rim called the labrum surrounds the socket to help stabilize the joint.
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Definitions &Translations The major joint of the shoulder is the glenohumeral joint, which shoulder joint generally refers to. In human anatomy, the shoulder joint comprises the part of the body where the humerus attaches to the scapula, the head sitting in the glenoid fossa. The shoulder is the group of structures in the region of the joint.
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Shoulder joint The shoulder joint is a synovial joint of the ball and socket variety. There is a 4 to 1 disproportion between the large round head of the humerus and the small shallow glenoid cavity. The glenoid labrum, a ring of fibrocartilage attached to the margins of the glenoid cavity, deepens slightly but effectively the depression of the glenoid ‘fossa’.
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- Tears of the labrum from the front-bottom portion of the glenoid typically occur with a dislocated shoulder. This particular tear is coined a Bankart lesion. The major stabilizing ligaments of the shoulder attach to this portion of the labrum, the inferior glenohumeral ligaments (IGHL). Tears of the posterior labrum can occur either from a dislocation, fall, or overhead sports.
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Original articleThe shape of the inferior part of the glenoid: A cadaveric study Previously, the shape of the inferior glenoid has been described as a circle with a bare spot being the center of that circle. This cadaveric study was done to test that statement. Forty cadaveric scapulae were used in this study. Two researchers used a digital image analysis program to assess the shape of the inferior glenoid and measured the distances from the bare spot to the anterior, inferior, and posterior cartilage and the bone rim. In 39 of 40 scapulae, the inferior glenoid had the shape of a true circle. Statistical analysis showed that the center of the bare spot is not the mathematical center of the inferior glenoid, but the differences in distances to the anterior, inferior, and posterior rims were very small (1.16-2.41 mm).
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- The glenoid cavity or glenoid fossa of scapula is a part of the shoulder.
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- The term labrum is used in anatomy to designate a lip, edge, or brim. Plural: labra. The glenoid labrum is a ring of fibrocartilage that runs around the cavity of the scapula (wingbone) in which the head of the humerus (the bone in the upper arm) fits. The labrum deepens this cavity (the glenoid cavity) and effectively increases the surface of the shoulder joint.
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Glenoid cavity This cavity forms the glenohumeral joint along with the humerus. This type of joint is classified as a synovial, ball and socket joint. The humerus is held in place within the glenoid cavity by means of the long head of the bicep tendon.This tendon originates on the superior margin of the glenoid cavity and loops over the shoulder bracing humerus against the cavity.The rotator cuff also reinforces this joint more specifically with the supraspinatus tendon to hold the head of the humerus in the glenoid cavity.his tendon originates on the superior margin of the glenoid cavity and loops over the shoulder bracing humerus against the cavity. The rotator cuff also reinforces this joint more specifically with the supraspinatus tendon to hold the head of the humerus in the glenoid cavity.
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shoulder joint shoulder joint, the ball and socket articulation of the humerus with the scapula. The joint includes eight bursae and five ligaments, including the glenoidal labrum that deepens the articular cavity and protects the edges of articulating bones. It is the most mobile joint in the body. Also called humeral articulation.
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- 1 Uptake of water by a mature dry seed is triphasic (see webpage  Water Relations ), with a rapid initial uptake (phase I, imbibition) followed by a plateau phase (phase II, metabolic preparation for germination).
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Bankart lesion Definition/Description. A Bankart lesion is a lesion of the anterior part of the glenoid labrum of the shoulder. This injury is caused by repeated anterior shoulder subluxations. The dislocation of the shoulder joint (anterior) can damage the connective tissue ring around the glenoid labrum.
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Top 30 Doctor insights on: Myxoid Degeneration Knee Degeneration: Myxoid means that their is a swelling and disorganization of the fibers of the ligament. Often times this adjective has no significance to the ultimate treatment plan.
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mandibular fossa Switch to new thesaurus. glenoid fossa. os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear. fossa, pit - a concavity in a surface (especially an anatomical depression)
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- Introduction. 1  Definition a condition resulting in the loss of internal rotation of the glenohumeral joint as compared to the contralateral side. 2  Epidemiology occurs primarily in overhead athletes often seen in baseball pitchers.
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- Posterior view, anatomical position. The glenoid cavity is functionally important because it forms a joint with the head of the humerus. This is a ball and socket joint that allows for triaxial motion: flexion/extension, abduction/adduction, and rotation.
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- Glenoid labrum: A ring of fibrocartilage that runs around the cavity of the scapula (wingbone) in which the head of the humerus (the bone in the upper arm) fits.The labrum deepens this cavity (the glenoid cavity) and effectively increases the surface of the shoulder joint.Injuries to the glenoid labrum can occur from chronic trauma due to repetitive shoulder motion or from acute trauma.he labrum deepens this cavity (the glenoid cavity) and effectively increases the surface of the shoulder joint. Injuries to the glenoid labrum can occur from chronic trauma due to repetitive shoulder motion or from acute trauma.
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Description Anterior view of the left shoulder and acromioclavicular joints, and proper scapular ligaments. The glenohumeral (GH) joint is a true synovial ball-and-socket style diarthroidal joint that is responsible for connecting the upper extremity to the trunk.