What is the upper arm bone called?
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The upper arm bone is called the humerus. Gray's Anatomy (1918) describes it as the single long bone of the upper arm.
Summary
The upper arm bone is called the humerus. Gray's Anatomy (1918) describes it as the single long bone of the upper arm.
What it is
- The single long bone of the upper arm.
- Has a rounded head at the top, a shaft, and two condyles at the elbow.
- The head is a smooth hemisphere covered with cartilage.
Where it is
- Between the shoulder and the elbow.
- Its head fits into the glenoid cavity of the scapula.
- Its lower end meets the radius and ulna at the elbow joint.
Sources
According to Gray's Anatomy of the Human Body (1918, public domain):
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