BONES OF THE THORACIC LIMB

陳建榮

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Thoracic limb• Shoulder girdle

• Scapula

• Arm • Forearm • Forepaw

ClavicleClavicular intersection or tendon(鎖骨中間腱 )

Scapula• Medial or costal surface

• Cranial border• Scapular notch肩胛切跡

• Suprascapular a. and n.

• Neck肩胛頸• Dorsal border• Caudal border• Ventral angle• Caudal angle• Cranial angle

Scapula• Lateral surface

• Spine肩胛棘• Acromion肩峰

• Deltoideus m.

• Glenoid cavity肩臼• supraglenoid tubercle

(肩臼上結節 )

- Biceps brachii m.• Supraspinous fossa棘上窩

• Supraspinatus m.

• Infraspinous fossa棘下窩• Infraspinatus m.

Scapula• Subscapular fossa棘下窩

• Subscapularis m.• Coracoid process喙突

• Coracobrachialis m.• Supraglenoid tubercle肩臼上結節

• Biceps brachii m.• Infraglenoid tubercle肩臼下結節

• Teres minor m.

Scapula

Humerus • Head肱骨頭• Greater tubercle大結節

• Supraspinatus m.

• Lesser tubercle小結節• Subscapularis m.

• Intertubercular groove結節間溝• Biceps brachii m.

• Neck肱骨頸• Anatomical neck• Surgical neck

Humerus• Deltoid tuberosity三角肌粗隆• Tricipital line三頭肌線

• Lateral head of triceps brachii m.

• Tuberosity of the teres minor小圓肌粗隆

• Tuberosity of the teres major大圓肌粗隆

• Brachialis groove肱肌溝

Humerus• Humeral Condyle肱骨髁

• Trochlea滑車• Capitulum肱骨小頭

• Radial fossa橈骨窩• Supra-trochlear foramen滑車上孔

• Anconeal process of ulna

Humerus

• Olecranon fossa橈骨窩• Lateral epicondyle外上髁

• Craniolateral antebrachial muscles• Medial epicondyle內上髁

• Caudal antebrachial muscles• Lateral supracondylar crest外側髁上脊• Medial supracondylar crest內側髁上脊

Elbow joint

Radius and ulna

Interosseous space骨間空隙Radius • Groove for abductor digita I longus

(長拇指外展肌 )• Groove for extensor carpi radilis

(橈腕伸肌 )• Groove for extensor digitals communis

(總指伸肌 )

Radius • Capitulum 小頭

• Fovea capitis頭小窩• Radial tuberosity橈骨粗隆

• Briceps brachii m.• Brachialis m.

• Trochlea滑車• Ulnar notch尺骨切跡• Styloid process莖狀突

Ulna • Olecranon鷹嘴

• Olecranon tuber鷹嘴結節• Anconeal process肘突

• Supratrochlea foramen

• Trochlear notch滑車切跡• Medial coronoid process內喙狀突• Lateral coronoid process外喙狀突

• Annular lig.

• Radial notch橈骨切跡• Ulnar tuberosity尺骨粗隆

• Briceps brachii m.• Brachialis m.

• Styloid process莖狀突

Anconeal process

Olecranon tuber

Radius and ulna

Elbow joint

Radius and ulna

Carpal bones• Proximal carpal bones

• radial carpal bone• ulnar carpal bone• Sesamoid bone種子骨• (accessory carpal bone)

• Distal carpal bones

Carpal bones

Carpal bones

Metacarpal bones

Metacarpal bones

Phalanges • 14 digital bones

• 5 Proximal digital bones• 4 Middle digital bones• 5 Distal digital bones

• Proximal sesamoid bone近端種子骨• Dorsal sesamoid bone背側種子骨

Phalanges

Distal digital bone• Ungual crest蹄脊• Extensor process伸肌突

• m. extensor digitorum communis• Flexor tubercle屈肌結節

• m. flexor digitorum profundus• Ungual process蹄突

Ungual crest Flexor tubercle

Ungual process

Extensor process