Orthopaedics · Skeletal System · Medium
Trapezium
Meaning: A carpal bone at the base of the thumb that forms a saddle-shaped joint with the first metacarpal.
In practice: Osteoarthritis at the base of the thumb often affects the joint between the trapezium and first metacarpal.
Quick check
Two questions on related orthopaedics words.
Which word means: Flat bony projection at the lateral end of the scapular spine that forms the roof of the shoulder.
Answer: Acromion
Which word means: A surgical procedure that tightens the loose fibrous envelope around a joint, often to treat shoulder instability.
Answer: Capsulorrhaphy
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