The articular surface for the ulna is called the ulnar notch (sigmoid cavity) of the radius; it is in the distal radius, and is narrow, concave, smooth, and articulates with the head of the ulna forming the distal radioulnar joint.
This article incorporates text from a public domain edition of Gray's Anatomy.
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Bones of upper limbs (TA A02.4, GA 2.200–230)
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| Pectoral girdle, clavicle |
- conoid tubercle
- trapezoid line
- costal tuberosity
- subclavian groove
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| Scapula |
- fossae (subscapular, supraspinatous, infraspinatous)
- scapular notch
- glenoid cavity
- tubercles (infraglenoid, supraglenoid)
- spine of scapula
- acromion
- coracoid process
- borders (superior, lateral/axillary, medial/vertebral)
- angles (superior, inferior, lateral)
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| Humerus |
- upper extremity: necks (anatomical, surgical)
- tubercles (greater, lesser)
- intertubercular sulcus
- body: radial sulcus
- deltoid tuberosity
- lower extremity: capitulum
- trochlea
- epicondyles (lateral, medial)
- supracondylar ridges (lateral, medial)
- fossae (radial, coronoid, olecranon)
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| Forearm |
- radius: upper extremity (head, tuberosity)
- body
- lower extremity (ulnar notch, styloid process)
- ulna: upper extremity (tuberosity, olecranon, coronoid process, radial notch, trochlear notch)
- body
- lower extremity (head, styloid process)
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| Hand |
- carpus: scaphoid
- lunate
- triquetral
- pisiform
- trapezium
- trapezoid
- capitate
- hamate (hamulus)
- metacarpus: 1st metacarpal
- 2nd
- 3rd
- 4th
- 5th
- phalanges of the hand: proximal
- intermediate
- distal
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M: BON/CAR
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anat (c/f/k/f, u, t/p, l)/phys/devp/cell
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noco/cong/tumr, sysi/epon, injr
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proc, drug (M5)
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