clavicle
is a long bone
supports the shouler
so that the arm can swing away
from the trunk
-transmits the weight of the limb
to the sternum
lateral end
shaft
medial end
side determination
lateral end- is flat
medial end - is large & quadrilateral
shaft-slightly curved
-is convex-forward-in its medial two thirds
-is concave forwards in its lateral one third
inferior surface is grooved in its middle one third
lateral 1/3rd
medial 2/3rds
2 bordes
anterior
posterior
concave forwards
convex backwards
surfaces
superior
inferior
is subcutaneous
has an elevation-conoid tubercle
and a ridge-the trapezoid ridge
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