Upper Extremities (Radius)

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13 Terms

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Radial head
is the disc shaped, expanded portion on the proximal part of the bone. it is the superior continuation of the neck of the radius. it contains two articular areas.

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Neck of the radius
is the short, constricted portion on the proximal part of the bone. it is the inferior continuation of the head of the radius. it is located superior to the radial tuberosity.

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it is closely surrounded by the annular ligament of radius, and its medial aspect provides an attachment site for the quadrate ligament.
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Neck of the radius
it is closely surrounded by the annular ligament of radius, and its medial aspect provides an attachment site for the quadrate ligament.
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Neck of the radius
is the short, constricted portion on the proximal part of the bone. it is the inferior continuation of the head of the radius. it is located superior to the radial tuberosity.
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Styloid process
is the blunt projection found on the inferolateral aspect of the distal part of radius

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it provides an insertion site for the brachioradialis muscle, as well as the attachment sites for the radial collateral ligament of the wrist joint and the radioscaphocapitate ligament
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Styloid process
it provides an insertion site for the brachioradialis muscle, as well as the attachment sites for the radial collateral ligament of the wrist joint and the radioscaphocapitate ligament
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Styloid process
is the blunt projection found on the inferolateral aspect of the distal part of radius
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Radial tuberosity
is the oval elevated area found on the anteromedial aspect of the proximal part of the radius. it is located inferior to the neck of the radius.

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it provides an insertion site for the biceps brachii muscle.
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Radial tuberosity
is the oval elevated area found on the anteromedial aspect of the proximal part of the radius. it is located inferior to the neck of the radius.
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Radial tuberosity
it provides an insertion site for the biceps brachii muscle.
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Ulnar notch
is the smooth, concave, articular indentation found along the medial aspect of the distal part of radius. its inferior margin provides an attachment site for the articular disc of the distal radioulnar joint.

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it articulates with the articular circumference of the head of the ulna, forming the distal radioulnar joint.
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Ulnar notch
is the smooth, concave, articular indentation found along the medial aspect of the distal part of radius. its inferior margin provides an attachment site for the articular disc of the distal radioulnar joint.
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Ulnar notch
it articulates with the articular circumference of the head of the ulna, forming the distal radioulnar joint.