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Nat. Review chpt. 5b
Appendicular skeleton-upper extremities
| Question | Answer |
|---|---|
| Clavicle | Collar bone |
| Sternal end of the clavicle | Medial end of the collar bone |
| Acromial end of the clavicle | Lateral end of the collar bone |
| Scapula | Shoulder blade |
| Medial border of the scapula | Border of the scapula nearest the vertebrae |
| Lateral border of the scapula | Lateral, inferior border of the scapula |
| Spine of the scapula | Divides the lateral surface into the anterior supraspinous fossa and the posterior infraspinous fossa |
| Acromion process | Finger-like extension of the spine that points ventrally |
| Coracoid process | Small beak like projection of the scapula that points forward |
| Supraspinous fossa | Surface of the scapula above the spine of the scapula |
| Infraspinous fossa | Surface of the scapula below the spine of the scapula |
| Subscapular fossa | Covers most of the anterior surface of the scapula |
| Glenoid fossa | Hollow in the head of the scapula that receives the head of the humerus to make the shoulder joint |
| Humerus | Upper arm bone |
| Greater tubercle of the humerus | Forms the most prominent bony point of the shoulder |
| Lesser tubercle of the humerus | Medial to the greater and separated from it by the intertubercular groove |
| Bicipital groove | Groove between the greater and lesser tubercles |
| Deltoid tuberosity | A rough elevation about the middle of the lateral side of the shaft of the humerus, giving attachment to the deltoid muscle |
| Medial epicondyle of the humerus | Most medial prominent bone of the elbow |
| Lateral epicondyle of the humerus | Most lateral bone of the elbow |
| Trochlea of the humerus | Place between the epicondyles that the ulna articulates with |
| Capitulum of the humerus | Lateral part of the articular surface of the distal end of the humerus |
| Radius | Lateral and slightly shorter of the two bones of the human forearm |
| Inferior angle of the scapula | Bottom angle of the scapula |
| Superior angle of the scapula | Top angle of the scapula |
| Head of the humerus | Hemisphere shaped area on the humerus that articulates with the glenoid fossa of the scapula |
| Anatomical neck of the humerus | constriction of the humerus immediately adjoining the margin of the head, just below its proximal articular surface |
| Coronoid fossa | Cavity in the anterior aspect of the distal humerus proximal to the trochlea of humerus |
| Olecranon fossa | Deep hollow on the posterior surface of the distal humerus proximal to the trochlea of humerus |
| Head of the radius | Disk-shaped upper extremity articulating with the capitulum of the humerus |
| Radial tuberosity | Eminence on the anterior inner surface of the radius just distal to the radial neck |
| Styloid process of the radius | Blunt projection from the lateral surface of the distal end of the radius |
| Ulna | Medial and larger of the 2 bones of the forearm |
| Ulnar tuberosity | Tuberosity just distal to the coronoid process |
| Olecranon process | Process at the proximal end of the ulna which projects behind the articulation with the humerus and forms the bony prominence of the elbow |
| Coronoid process of the ulna | Anterior eminence of the proximal ulna, distal to the olecranon |
| Styloid process of the ulna | Medial non-articular process on the distal end of the ulna |
| Radial notch | Narrow depression on the lateral side of the coronoid process of the ulna that articulates with the head of the radius |
| Neck of the radius | Narrow part of the shaft just below the head |
| Carpal | Any of the eight small bones of the wrist |
| Metacarpus | That part of the hand between the carpus and phalanges |
| Scaphoid bone | Found on the thumb side of the hand, within the anotomical snuffbox. It is approximately the size and shape of a cashew |
| Lunate bone | Second of three bones forming the proximal row of bones in the wrist |
| Triquetral bone | Bone in the proximal row of carpal bones lying between the lunate and pisiform bones |
| Pisiform bone | Small knobbly, pea-shaped bone that articulates only with the triquetral bone |
| Trapezium bone | Most lateral bone of the distal row of carpal bones |
| Trapezoid bone | Bone in the distal row of carpal bones lying between the trapezium and capitate bones |
| Capitate bone | Bone in the distal row of carpal bones lying between the trapezoid and hamate bones |
| Hamate bone | Medial bone in the distal row of carpal bones |
| Phalanges of the hand | Bones that form fingers and are named after the digit and their distance from the body |
| Proximal phalanges of the hand | Closest to the hand and articulate with the metacarpals |
| Middle phalanges of the hand | Between the distal and proximal phalanges. The thumb does not have one |
| Distal phalanges of the hand | Form the tips of the fingers |
| How many phalanges are there per hand? | 14 |
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skpoem
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