Humerus


Bone Name
Humerus

Skeletal Division
Appendicular

Description
A long bone which extends from the shoulder. It consists of a shaft and two extremities. The proximal extremity consists of the head, neck and two tuberosities and the intertuberal groove. The distal extremity has an oblique surface for articulation with the radius and ulna which consists of two condyles of very unequal size, separated by a ridge.

Articulation
With the scapula dorsally and the radius and ulna ventrally

Number
One in each front limb

Common Name
Arm bone, Clod bone

Appears In Crossection
Chuck Arm A-F

Location
Extends from the shoulder, and is directed obliquely downward and backward froming an angle about 55 degrees with a horizontal plane

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