Lateral angle of the scapula
- Lateral angle of the scapula
Infobox Bone
Name = Lateral angle of the scapula
Latin = angulus lateralis scapulae
GraySubject = 50
GrayPage = 207
Caption = Left scapula. Dorsal surface. (Lateral angle labeled, upside down, at upper left.)
Caption2 =
Precursor =
System =
Artery =
Vein =
Nerve =
Lymph =
MeshName =
MeshNumber =
DorlandsPre = a_42
DorlandsSuf = 12136277
The lateral angle of the scapula (head of the scapula) is the thickest part of the bone.
On it is a shallow pyriform, articular surface, the glenoid cavity, which is directed lateralward and forward and articulates with the head of the humerus; it is broader below than above and its vertical diameter is the longest.
The surface is covered with cartilage in the fresh state; and its margins, slightly raised, give attachment to a fibrocartilaginous structure, the glenoidal labrum, which deepens the cavity.
At its apex is a slight elevation, the supraglenoid tuberosity, to which the long head of the Biceps brachii is attached.
The neck of the scapula is the slightly constricted portion which surrounds the head; it is more distinct below and behind than above and in front.
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